97215498408 has 64 divisors (see below), whose sum is σ = 282466368000. Its totient is φ = 27305076672.

The previous prime is 97215498407. The next prime is 97215498409. The reversal of 97215498408 is 80489451279.

It is an interprime number because it is at equal distance from previous prime (97215498407) and next prime (97215498409).

It is not an unprimeable number, because it can be changed into a prime (97215498403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4894018 + ... + 4913841.

It is an arithmetic number, because the mean of its divisors is an integer number (4413537000).

Almost surely, 2^97215498408 is an apocalyptic number.

It is an amenable number.

97215498408 is an abundant number, since it is smaller than the sum of its proper divisors (185250869592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97215498408 is a wasteful number, since it uses less digits than its factorization.

97215498408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9807934 (or 9807930 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 57.

The spelling of 97215498408 in words is "ninety-seven billion, two hundred fifteen million, four hundred ninety-eight thousand, four hundred eight".