76889012 has 6 divisors (see below), whose sum is σ = 134555778. Its totient is φ = 38444504.

The previous prime is 76888979. The next prime is 76889017. The reversal of 76889012 is 21098867.

It can be written as a sum of positive squares in only one way, i.e., 47251876 + 29637136 = 6874^2 + 5444^2 .

It is a super-2 number, since 2×76889012² = 11823840332672288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76889017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9611123 + ... + 9611130.

It is an arithmetic number, because the mean of its divisors is an integer number (22425963).

Almost surely, 2^76889012 is an apocalyptic number.

It is an amenable number.

76889012 is a deficient number, since it is larger than the sum of its proper divisors (57666766).

76889012 is a wasteful number, since it uses less digits than its factorization.

76889012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19222257 (or 19222255 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 76889012 is about 8768.6379786145. The cubic root of 76889012 is about 425.2275819173.

The spelling of 76889012 in words is "seventy-six million, eight hundred eighty-nine thousand, twelve".