78822077431023 has 16 divisors (see below), whose sum is σ = 116783517790560. Its totient is φ = 52543520235648.

The previous prime is 78822077430997. The next prime is 78822077431039. The reversal of 78822077431023 is 32013477022887.

78822077431023 is a `hidden beast` number, since 7 + 88 + 220 + 7 + 7 + 4 + 310 + 23 = 666.

It is not a de Polignac number, because 78822077431023 - 2²¹ = 78822075333871 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78822077431043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125552890 + ... + 126179127.

It is an arithmetic number, because the mean of its divisors is an integer number (7298969861910).

Almost surely, 2^{78822077431023} is an apocalyptic number.

78822077431023 is a deficient number, since it is larger than the sum of its proper divisors (37961440359537).

78822077431023 is a wasteful number, since it uses less digits than its factorization.

78822077431023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251743623 (or 251743617 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 54.

The spelling of 78822077431023 in words is "seventy-eight trillion, eight hundred twenty-two billion, seventy-seven million, four hundred thirty-one thousand, twenty-three".