97738815 has 16 divisors (see below), whose sum is σ = 161427456. Its totient is φ = 50445600.

The previous prime is 97738807. The next prime is 97738841. The reversal of 97738815 is 51883779.

It is not a de Polignac number, because 97738815 - 2³ = 97738807 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104631 + ... + 105560.

It is an arithmetic number, because the mean of its divisors is an integer number (10089216).

Almost surely, 2^97738815 is an apocalyptic number.

97738815 is a deficient number, since it is larger than the sum of its proper divisors (63688641).

97738815 is a wasteful number, since it uses less digits than its factorization.

97738815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210230.

The product of its digits is 423360, while the sum is 48.

The square root of 97738815 is about 9886.2943006973. The cubic root of 97738815 is about 460.6336808516.

The spelling of 97738815 in words is "ninety-seven million, seven hundred thirty-eight thousand, eight hundred fifteen".