77230500 has 48 divisors (see below), whose sum is σ = 224899584. Its totient is φ = 20594400.

The previous prime is 77230493. The next prime is 77230523. The reversal of 77230500 is 503277.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24244 + ... + 27243.

It is an arithmetic number, because the mean of its divisors is an integer number (4685408).

Almost surely, 2^77230500 is an apocalyptic number.

It is an amenable number.

77230500 is an abundant number, since it is smaller than the sum of its proper divisors (147669084).

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

77230500 is a wasteful number, since it uses less digits than its factorization.

77230500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51509 (or 51497 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 24.

The square root of 77230500 is about 8788.0885293675. The cubic root of 77230500 is about 425.8561748600.

Adding to 77230500 its reverse (503277), we get a palindrome (77733777).

The spelling of 77230500 in words is "seventy-seven million, two hundred thirty thousand, five hundred".