77082838 has 16 divisors (see below), whose sum is σ = 133356960. Its totient is φ = 32731776.

The previous prime is 77082799. The next prime is 77082883. The reversal of 77082838 is 83828077.

It is a junction number, because it is equal to n+sod(n) for n = 77082794 and 77082803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23731 + ... + 26782.

It is an arithmetic number, because the mean of its divisors is an integer number (8334810).

Almost surely, 2^77082838 is an apocalyptic number.

77082838 is a deficient number, since it is larger than the sum of its proper divisors (56274122).

77082838 is a wasteful number, since it uses less digits than its factorization.

77082838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50631.

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 77082838 is about 8779.6832516897. The cubic root of 77082838 is about 425.5845943589.

The spelling of 77082838 in words is "seventy-seven million, eighty-two thousand, eight hundred thirty-eight".