97910487 has 6 divisors (see below), whose sum is σ = 141426272. Its totient is φ = 65273652.

The previous prime is 97910479. The next prime is 97910489. The reversal of 97910487 is 78401979.

It is not a de Polignac number, because 97910487 - 2³ = 97910479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97910489) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5439463 + ... + 5439480.

Almost surely, 2^97910487 is an apocalyptic number.

97910487 is a deficient number, since it is larger than the sum of its proper divisors (43515785).

97910487 is a wasteful number, since it uses less digits than its factorization.

97910487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10878949 (or 10878946 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 97910487 is about 9894.9728145155. The cubic root of 97910487 is about 460.9032143423.

The spelling of 97910487 in words is "ninety-seven million, nine hundred ten thousand, four hundred eighty-seven".