78922954761 has 16 divisors (see below), whose sum is σ = 120331284864. Its totient is φ = 45073430784.

The previous prime is 78922954757. The next prime is 78922954763. The reversal of 78922954761 is 16745922987.

It is not a de Polignac number, because 78922954761 - 2² = 78922954757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78922954695 and 78922954704.

It is not an unprimeable number, because it can be changed into a prime (78922954763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1020150 + ... + 1094783.

It is an arithmetic number, because the mean of its divisors is an integer number (7520705304).

Almost surely, 2^78922954761 is an apocalyptic number.

It is an amenable number.

78922954761 is a deficient number, since it is larger than the sum of its proper divisors (41408330103).

78922954761 is a wasteful number, since it uses less digits than its factorization.

78922954761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116720.

The product of its digits is 15240960, while the sum is 60.

The spelling of 78922954761 in words is "seventy-eight billion, nine hundred twenty-two million, nine hundred fifty-four thousand, seven hundred sixty-one".