82968578 has 32 divisors (see below), whose sum is σ = 159366528. Its totient is φ = 31449600.

The previous prime is 82968563. The next prime is 82968593. The reversal of 82968578 is 87586928.

It is an interprime number because it is at equal distance from previous prime (82968563) and next prime (82968593).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1583 + ... + 12978.

It is an arithmetic number, because the mean of its divisors is an integer number (4980204).

Almost surely, 2^82968578 is an apocalyptic number.

82968578 is a deficient number, since it is larger than the sum of its proper divisors (76397950).

82968578 is a wasteful number, since it uses less digits than its factorization.

82968578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14618.

The product of its digits is 1935360, while the sum is 53.

The square root of 82968578 is about 9108.7089096095. The cubic root of 82968578 is about 436.1520140190.

The spelling of 82968578 in words is "eighty-two million, nine hundred sixty-eight thousand, five hundred seventy-eight".