76920354681 has 16 divisors (see below), whose sum is σ = 108774049920. Its totient is φ = 48246549120.

The previous prime is 76920354671. The next prime is 76920354769. The reversal of 76920354681 is 18645302967.

It is not a de Polignac number, because 76920354681 - 2⁶ = 76920354617 is a prime.

It is a super-2 number, since 2×76920354681² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76920354671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9133396 + ... + 9141813.

It is an arithmetic number, because the mean of its divisors is an integer number (6798378120).

It is a 2-persistent number, because it is pandigital, and so is 2⋅76920354681 = 153840709362, but 3⋅76920354681 = 230761064043 is not.

Almost surely, 2^76920354681 is an apocalyptic number.

76920354681 is the 175409-th centered pentagonal number.

It is an amenable number.

76920354681 is a deficient number, since it is larger than the sum of its proper divisors (31853695239).

76920354681 is a wasteful number, since it uses less digits than its factorization.

76920354681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18275296.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 76920354681 in words is "seventy-six billion, nine hundred twenty million, three hundred fifty-four thousand, six hundred eighty-one".