78475318676040 has 128 divisors (see below), whose sum is σ = 276584340009600. Its totient is φ = 17560910469120.

The previous prime is 78475318675993. The next prime is 78475318676089. The reversal of 78475318676040 is 4067681357487.

It is a hoax number, since the sum of its digits (66) 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 (66).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2286559725 + ... + 2286594044.

It is an arithmetic number, because the mean of its divisors is an integer number (2160815156325).

Almost surely, 2^{78475318676040} is an apocalyptic number.

It is an amenable number.

78475318676040 is an abundant number, since it is smaller than the sum of its proper divisors (198109021333560).

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

78475318676040 is a wasteful number, since it uses less digits than its factorization.

78475318676040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4573153807 (or 4573153803 counting only the distinct ones).

The product of its (nonzero) digits is 189665280, while the sum is 66.

The spelling of 78475318676040 in words is "seventy-eight trillion, four hundred seventy-five billion, three hundred eighteen million, six hundred seventy-six thousand, forty".