77028874 has 16 divisors (see below), whose sum is σ = 124612488. Its totient is φ = 35500032.

The previous prime is 77028851. The next prime is 77028899. The reversal of 77028874 is 47882077.

It can be written as a sum of positive squares in 4 ways, for example, as 47706649 + 29322225 = 6907^2 + 5415^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 77028874.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20554 + ... + 24010.

Almost surely, 2^77028874 is an apocalyptic number.

77028874 is a deficient number, since it is larger than the sum of its proper divisors (47583614).

77028874 is a wasteful number, since it uses less digits than its factorization.

77028874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329.

The product of its (nonzero) digits is 175616, while the sum is 43.

The square root of 77028874 is about 8776.6094820266. The cubic root of 77028874 is about 425.4852570351.

The spelling of 77028874 in words is "seventy-seven million, twenty-eight thousand, eight hundred seventy-four".