97982487 has 32 divisors (see below), whose sum is σ = 153504000. Its totient is φ = 61598880.

The previous prime is 97982483. The next prime is 97982551. The reversal of 97982487 is 78428979.

It is not a de Polignac number, because 97982487 - 2² = 97982483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97982483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199312 + ... + 199802.

It is an arithmetic number, because the mean of its divisors is an integer number (4797000).

Almost surely, 2^97982487 is an apocalyptic number.

97982487 is a deficient number, since it is larger than the sum of its proper divisors (55521513).

97982487 is a wasteful number, since it uses less digits than its factorization.

97982487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908 (or 902 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 97982487 is about 9898.6103570148. The cubic root of 97982487 is about 461.0161641103.

The spelling of 97982487 in words is "ninety-seven million, nine hundred eighty-two thousand, four hundred eighty-seven".