97903863 has 16 divisors (see below), whose sum is σ = 145228800. Its totient is φ = 65185560.

The previous prime is 97903853. The next prime is 97903891. The reversal of 97903863 is 36830979.

It is a happy number.

It is not a de Polignac number, because 97903863 - 2²⁰ = 96855287 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97903843) 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, 24928 + ... + 28586.

It is an arithmetic number, because the mean of its divisors is an integer number (9076800).

Almost surely, 2^97903863 is an apocalyptic number.

97903863 is a deficient number, since it is larger than the sum of its proper divisors (47324937).

97903863 is a wasteful number, since it uses less digits than its factorization.

97903863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4659 (or 4653 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 97903863 is about 9894.6380934322. The cubic root of 97903863 is about 460.8928201825.

The spelling of 97903863 in words is "ninety-seven million, nine hundred three thousand, eight hundred sixty-three".