155678976 has 144 divisors (see below), whose sum is σ = 467013120. Its totient is φ = 51148800.

The previous prime is 155678953. The next prime is 155678987. The reversal of 155678976 is 679876551.

155678976 is a `hidden beast` number, since 1 + 5 + 567 + 8 + 9 + 76 = 666.

155678976 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 698001 + ... + 698223.

Almost surely, 2^155678976 is an apocalyptic number.

155678976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155678976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233506560).

155678976 is an abundant number, since it is smaller than the sum of its proper divisors (311334144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155678976 is a wasteful number, since it uses less digits than its factorization.

155678976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 329 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 54.

The square root of 155678976 is about 12477.1381334022. The cubic root of 155678976 is about 537.9517468458.

The spelling of 155678976 in words is "one hundred fifty-five million, six hundred seventy-eight thousand, nine hundred seventy-six".