82917994 has 16 divisors (see below), whose sum is σ = 130311936. Its totient is φ = 39520800.

The previous prime is 82917979. The next prime is 82917997. The reversal of 82917994 is 49971928.

It is not an unprimeable number, because it can be changed into a prime (82917997) 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, 5827 + ... + 14134.

It is an arithmetic number, because the mean of its divisors is an integer number (8144496).

Almost surely, 2^82917994 is an apocalyptic number.

82917994 is a deficient number, since it is larger than the sum of its proper divisors (47393942).

82917994 is a wasteful number, since it uses less digits than its factorization.

82917994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20061.

The product of its digits is 326592, while the sum is 49.

The square root of 82917994 is about 9105.9318029513. The cubic root of 82917994 is about 436.0633587749.

The spelling of 82917994 in words is "eighty-two million, nine hundred seventeen thousand, nine hundred ninety-four".