78876104435406 has 48 divisors (see below), whose sum is σ = 175498981032960. Its totient is φ = 25593601335120.

The previous prime is 78876104435399. The next prime is 78876104435497. The reversal of 78876104435406 is 60453440167887.

78876104435406 is a `hidden beast` number, since 7 + 8 + 8 + 7 + 610 + 4 + 4 + 3 + 5 + 4 + 0 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390521770 + ... + 390723693.

It is an arithmetic number, because the mean of its divisors is an integer number (3656228771520).

Almost surely, 2^{78876104435406} is an apocalyptic number.

78876104435406 is an abundant number, since it is smaller than the sum of its proper divisors (96622876597554).

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

78876104435406 is a wasteful number, since it uses less digits than its factorization.

78876104435406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781245621 (or 781245618 counting only the distinct ones).

The product of its (nonzero) digits is 108380160, while the sum is 63.

The spelling of 78876104435406 in words is "seventy-eight trillion, eight hundred seventy-six billion, one hundred four million, four hundred thirty-five thousand, four hundred six".