80154984 has 160 divisors (see below), whose sum is σ = 254106720. Its totient is φ = 20942208.

The previous prime is 80154979. The next prime is 80155039. The reversal of 80154984 is 48945108.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 39 ways as a sum of consecutive naturals, for example, 749059 + ... + 749165.

It is an arithmetic number, because the mean of its divisors is an integer number (1588167).

Almost surely, 2^80154984 is an apocalyptic number.

80154984 is a gapful number since it is divisible by the number (84) 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 80154984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127053360).

80154984 is an abundant number, since it is smaller than the sum of its proper divisors (173951736).

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

80154984 is a wasteful number, since it uses less digits than its factorization.

80154984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 80154984 is about 8952.9315869161. The cubic root of 80154984 is about 431.1650109350.

The spelling of 80154984 in words is "eighty million, one hundred fifty-four thousand, nine hundred eighty-four".