77990583 has 16 divisors (see below), whose sum is σ = 113671296. Its totient is φ = 47171040.

The previous prime is 77990567. The next prime is 77990603. The reversal of 77990583 is 38509977.

It is not a de Polignac number, because 77990583 - 2⁴ = 77990567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77990183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16260 + ... + 20502.

It is an arithmetic number, because the mean of its divisors is an integer number (7104456).

Almost surely, 2^77990583 is an apocalyptic number.

77990583 is a deficient number, since it is larger than the sum of its proper divisors (35680713).

77990583 is a wasteful number, since it uses less digits than its factorization.

77990583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4814.

The product of its (nonzero) digits is 476280, while the sum is 48.

The square root of 77990583 is about 8831.2277175940. The cubic root of 77990583 is about 427.2486727655.

The spelling of 77990583 in words is "seventy-seven million, nine hundred ninety thousand, five hundred eighty-three".