77028486 has 16 divisors (see below), whose sum is σ = 154357824. Its totient is φ = 25626024.

The previous prime is 77028467. The next prime is 77028499. The reversal of 77028486 is 68482077.

77028486 is nontrivially palindromic in base 5.

It is a congruent number.

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, 9136 + ... + 15411.

It is an arithmetic number, because the mean of its divisors is an integer number (9647364).

Almost surely, 2^77028486 is an apocalyptic number.

77028486 is an abundant number, since it is smaller than the sum of its proper divisors (77329338).

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

77028486 is a wasteful number, since it uses less digits than its factorization.

77028486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25075.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 77028486 is about 8776.5873777910. The cubic root of 77028486 is about 425.4845426339.

The spelling of 77028486 in words is "seventy-seven million, twenty-eight thousand, four hundred eighty-six".