77590012 has 6 divisors (see below), whose sum is σ = 135782528. Its totient is φ = 38795004.

The previous prime is 77589983. The next prime is 77590013. The reversal of 77590012 is 21009577.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77590013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9698748 + ... + 9698755.

Almost surely, 2^77590012 is an apocalyptic number.

It is an amenable number.

77590012 is a deficient number, since it is larger than the sum of its proper divisors (58192516).

77590012 is a wasteful number, since it uses less digits than its factorization.

77590012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19397507 (or 19397505 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 77590012 is about 8808.5192853283. The cubic root of 77590012 is about 426.5159463845.

Adding to 77590012 its reverse (21009577), we get a palindrome (98599589).

The spelling of 77590012 in words is "seventy-seven million, five hundred ninety thousand, twelve".