83247988 has 12 divisors (see below), whose sum is σ = 147528640. Its totient is φ = 41096952.

The previous prime is 83247979. The next prime is 83248003. The reversal of 83247988 is 88974238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131406 + ... + 132037.

Almost surely, 2^83247988 is an apocalyptic number.

It is an amenable number.

83247988 is a deficient number, since it is larger than the sum of its proper divisors (64280652).

83247988 is a wasteful number, since it uses less digits than its factorization.

83247988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263526 (or 263524 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The square root of 83247988 is about 9124.0335378603. The cubic root of 83247988 is about 436.6410694032.

The spelling of 83247988 in words is "eighty-three million, two hundred forty-seven thousand, nine hundred eighty-eight".