76427889660 has 96 divisors (see below), whose sum is σ = 237816936000. Its totient is φ = 20377232640.

The previous prime is 76427889649. The next prime is 76427889661. The reversal of 76427889660 is 6698872467.

76427889660 is a `hidden beast` number, since 76 + 427 + 8 + 89 + 6 + 60 = 666.

It is a super-2 number, since 2×76427889660² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76427889661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4971666 + ... + 4987014.

It is an arithmetic number, because the mean of its divisors is an integer number (2477259750).

Almost surely, 2^76427889660 is an apocalyptic number.

It is an amenable number.

76427889660 is an abundant number, since it is smaller than the sum of its proper divisors (161389046340).

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

76427889660 is a wasteful number, since it uses less digits than its factorization.

76427889660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24588 (or 24580 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 76427889660 in words is "seventy-six billion, four hundred twenty-seven million, eight hundred eighty-nine thousand, six hundred sixty".