82637995 has 16 divisors (see below), whose sum is σ = 108490752. Its totient is φ = 59928160.

The previous prime is 82637977. The next prime is 82637999. The reversal of 82637995 is 59973628.

It is not a de Polignac number, because 82637995 - 2⁵ = 82637963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82637999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19104 + ... + 23026.

It is an arithmetic number, because the mean of its divisors is an integer number (6780672).

Almost surely, 2^82637995 is an apocalyptic number.

82637995 is a deficient number, since it is larger than the sum of its proper divisors (25852757).

82637995 is a wasteful number, since it uses less digits than its factorization.

82637995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4322.

The product of its digits is 816480, while the sum is 49.

The square root of 82637995 is about 9090.5442631341. The cubic root of 82637995 is about 435.5719696711.

The spelling of 82637995 in words is "eighty-two million, six hundred thirty-seven thousand, nine hundred ninety-five".