78476020264508 has 12 divisors (see below), whose sum is σ = 137821765128432. Its totient is φ = 39098373084960.

The previous prime is 78476020264507. The next prime is 78476020264511. The reversal of 78476020264508 is 80546202067487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78476020264507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34909260560 + ... + 34909262807.

It is an arithmetic number, because the mean of its divisors is an integer number (11485147094036).

Almost surely, 2^{78476020264508} is an apocalyptic number.

It is an amenable number.

78476020264508 is a deficient number, since it is larger than the sum of its proper divisors (59345744863924).

78476020264508 is a wasteful number, since it uses less digits than its factorization.

78476020264508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69818523652 (or 69818523650 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 59.

The spelling of 78476020264508 in words is "seventy-eight trillion, four hundred seventy-six billion, twenty million, two hundred sixty-four thousand, five hundred eight".