77051230 has 16 divisors (see below), whose sum is σ = 138918240. Its totient is φ = 30770272.

The previous prime is 77051209. The next prime is 77051237. The reversal of 77051230 is 3215077.

It is a junction number, because it is equal to n+sod(n) for n = 77051195 and 77051204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77051237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516 + ... + 12424.

It is an arithmetic number, because the mean of its divisors is an integer number (8682390).

Almost surely, 2^77051230 is an apocalyptic number.

77051230 is a deficient number, since it is larger than the sum of its proper divisors (61867010).

77051230 is a wasteful number, since it uses less digits than its factorization.

77051230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12563.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 77051230 is about 8777.8830021822. The cubic root of 77051230 is about 425.5264157497.

The spelling of 77051230 in words is "seventy-seven million, fifty-one thousand, two hundred thirty".