78155486732034 has 32 divisors (see below), whose sum is σ = 173682057329280. Its totient is φ = 26051349222000.

The previous prime is 78155486732023. The next prime is 78155486732047. The reversal of 78155486732034 is 43023768455187.

It is a happy number.

78155486732034 is a `hidden beast` number, since 7 + 8 + 1 + 5 + 548 + 67 + 3 + 20 + 3 + 4 = 666.

It is a super-2 number, since 2×78155486732034² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10358742 + ... + 16236209.

It is an arithmetic number, because the mean of its divisors is an integer number (5427564291540).

Almost surely, 2^{78155486732034} is an apocalyptic number.

78155486732034 is an abundant number, since it is smaller than the sum of its proper divisors (95526570597246).

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

78155486732034 is a wasteful number, since it uses less digits than its factorization.

78155486732034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26649383 (or 26649377 counting only the distinct ones).

The product of its (nonzero) digits is 135475200, while the sum is 63.

The spelling of 78155486732034 in words is "seventy-eight trillion, one hundred fifty-five billion, four hundred eighty-six million, seven hundred thirty-two thousand, thirty-four".