772988 has 6 divisors (see below), whose sum is σ = 1352736. Its totient is φ = 386492.

The previous prime is 772987. The next prime is 772991. The reversal of 772988 is 889277.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 772988.

It is not an unprimeable number, because it can be changed into a prime (772987) 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 as a sum of consecutive naturals, namely, 96620 + ... + 96627.

It is an arithmetic number, because the mean of its divisors is an integer number (225456).

2⁷⁷²⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

772988 is a deficient number, since it is larger than the sum of its proper divisors (579748).

772988 is a wasteful number, since it uses less digits than its factorization.

772988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193251 (or 193249 counting only the distinct ones).

The product of its digits is 56448, while the sum is 41.

The square root of 772988 is about 879.1973612335. The cubic root of 772988 is about 91.7749698785.

The spelling of 772988 in words is "seven hundred seventy-two thousand, nine hundred eighty-eight".