77283012 has 24 divisors (see below), whose sum is σ = 180474112. Its totient is φ = 25740000.

The previous prime is 77283001. The next prime is 77283029. The reversal of 77283012 is 21038277.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21762 + ... + 25062.

Almost surely, 2^77283012 is an apocalyptic number.

It is an amenable number.

77283012 is an abundant number, since it is smaller than the sum of its proper divisors (103191100).

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

77283012 is a wasteful number, since it uses less digits than its factorization.

77283012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5259 (or 5257 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 77283012 is about 8791.0757020970. The cubic root of 77283012 is about 425.9526716800.

The spelling of 77283012 in words is "seventy-seven million, two hundred eighty-three thousand, twelve".