76789012 has 6 divisors (see below), whose sum is σ = 134380778. Its totient is φ = 38394504.

The previous prime is 76789001. The next prime is 76789039. The reversal of 76789012 is 21098767.

It can be written as a sum of positive squares in only one way, i.e., 60435076 + 16353936 = 7774^2 + 4044^2 .

It is a super-2 number, since 2×76789012² = 11793104727872288, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9598623 + ... + 9598630.

Almost surely, 2^76789012 is an apocalyptic number.

It is an amenable number.

76789012 is a deficient number, since it is larger than the sum of its proper divisors (57591766).

76789012 is a wasteful number, since it uses less digits than its factorization.

76789012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19197257 (or 19197255 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 76789012 is about 8762.9339835468. The cubic root of 76789012 is about 425.0431550181.

The spelling of 76789012 in words is "seventy-six million, seven hundred eighty-nine thousand, twelve".