97147902 has 16 divisors (see below), whose sum is σ = 194647680. Its totient is φ = 32323992.

The previous prime is 97147873. The next prime is 97147997. The reversal of 97147902 is 20974179.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11002 + ... + 17757.

It is an arithmetic number, because the mean of its divisors is an integer number (12165480).

Almost surely, 2^97147902 is an apocalyptic number.

97147902 is an abundant number, since it is smaller than the sum of its proper divisors (97499778).

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

97147902 is a wasteful number, since it uses less digits than its factorization.

97147902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29327.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 97147902 is about 9856.3635281984. The cubic root of 97147902 is about 459.7034982762.

The spelling of 97147902 in words is "ninety-seven million, one hundred forty-seven thousand, nine hundred two".