78081048 has 24 divisors (see below), whose sum is σ = 211469700. Its totient is φ = 26026992.

The previous prime is 78081011. The next prime is 78081049. The reversal of 78081048 is 84018087.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78081049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 542158 + ... + 542301.

Almost surely, 2^78081048 is an apocalyptic number.

It is an amenable number.

78081048 is an abundant number, since it is smaller than the sum of its proper divisors (133388652).

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

78081048 is a wasteful number, since it uses less digits than its factorization.

78081048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084471 (or 1084464 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 78081048 is about 8836.3481144645. The cubic root of 78081048 is about 427.4138043105.

The spelling of 78081048 in words is "seventy-eight million, eighty-one thousand, forty-eight".