78903055134 has 24 divisors (see below), whose sum is σ = 171671928480. Its totient is φ = 26190970848.

The previous prime is 78903055123. The next prime is 78903055141. The reversal of 78903055134 is 43155030987.

78903055134 is a `hidden beast` number, since 7 + 8 + 90 + 3 + 0 + 551 + 3 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 78903055134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9166207 + ... + 9174810.

It is an arithmetic number, because the mean of its divisors is an integer number (7152997020).

Almost surely, 2^78903055134 is an apocalyptic number.

78903055134 is an abundant number, since it is smaller than the sum of its proper divisors (92768873346).

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

78903055134 is a wasteful number, since it uses less digits than its factorization.

78903055134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18341264 (or 18341261 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 78903055134 in words is "seventy-eight billion, nine hundred three million, fifty-five thousand, one hundred thirty-four".