82977738 has 8 divisors (see below), whose sum is σ = 165955488. Its totient is φ = 27659244.

The previous prime is 82977737. The next prime is 82977757. The reversal of 82977738 is 83777928.

It is a sphenic number, since it is the product of 3 distinct primes.

82977738 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (82977737) 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 3 ways as a sum of consecutive naturals, for example, 6914806 + ... + 6914817.

It is an arithmetic number, because the mean of its divisors is an integer number (20744436).

Almost surely, 2^82977738 is an apocalyptic number.

82977738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

82977738 is a wasteful number, since it uses less digits than its factorization.

82977738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13829628.

The product of its digits is 1185408, while the sum is 51.

The square root of 82977738 is about 9109.2117112295. The cubic root of 82977738 is about 436.1680642938.

The spelling of 82977738 in words is "eighty-two million, nine hundred seventy-seven thousand, seven hundred thirty-eight".