82864737 has 12 divisors (see below), whose sum is σ = 119788240. Its totient is φ = 55199448.

The previous prime is 82864721. The next prime is 82864753. The reversal of 82864737 is 73746828.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (82864721) and next prime (82864753).

It is not a de Polignac number, because 82864737 - 2⁴ = 82864721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82864692 and 82864701.

It is not an unprimeable number, because it can be changed into a prime (82864787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11814 + ... + 17472.

Almost surely, 2^82864737 is an apocalyptic number.

It is an amenable number.

82864737 is a deficient number, since it is larger than the sum of its proper divisors (36923503).

82864737 is a wasteful number, since it uses less digits than its factorization.

82864737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7292 (or 7289 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 82864737 is about 9103.0070306465. The cubic root of 82864737 is about 435.9699797668.

The spelling of 82864737 in words is "eighty-two million, eight hundred sixty-four thousand, seven hundred thirty-seven".