82695778 has 16 divisors (see below), whose sum is σ = 137036160. Its totient is φ = 37112400.

The previous prime is 82695761. The next prime is 82695779. The reversal of 82695778 is 87759628.

It is not an unprimeable number, because it can be changed into a prime (82695779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22053 + ... + 25528.

It is an arithmetic number, because the mean of its divisors is an integer number (8564760).

Almost surely, 2^82695778 is an apocalyptic number.

82695778 is a deficient number, since it is larger than the sum of its proper divisors (54340382).

82695778 is a wasteful number, since it uses less digits than its factorization.

82695778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47673.

The product of its digits is 1693440, while the sum is 52.

The square root of 82695778 is about 9093.7219003002. The cubic root of 82695778 is about 435.6734677418.

The spelling of 82695778 in words is "eighty-two million, six hundred ninety-five thousand, seven hundred seventy-eight".