82137896 has 8 divisors (see below), whose sum is σ = 154008570. Its totient is φ = 41068944.

The previous prime is 82137877. The next prime is 82137911. The reversal of 82137896 is 69873128.

It can be written as a sum of positive squares in only one way, i.e., 53085796 + 29052100 = 7286^2 + 5390^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5133611 + ... + 5133626.

Almost surely, 2^82137896 is an apocalyptic number.

It is an amenable number.

82137896 is a deficient number, since it is larger than the sum of its proper divisors (71870674).

82137896 is a wasteful number, since it uses less digits than its factorization.

82137896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10267243 (or 10267239 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 82137896 is about 9062.9959726351. The cubic root of 82137896 is about 434.6915433381.

The spelling of 82137896 in words is "eighty-two million, one hundred thirty-seven thousand, eight hundred ninety-six".