97623155 has 16 divisors (see below), whose sum is σ = 139705344. Its totient is φ = 64030560.

The previous prime is 97623151. The next prime is 97623179. The reversal of 97623155 is 55132679.

It is a happy number.

It is not a de Polignac number, because 97623155 - 2² = 97623151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97623151) 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, 59831 + ... + 61440.

It is an arithmetic number, because the mean of its divisors is an integer number (8731584).

Almost surely, 2^97623155 is an apocalyptic number.

97623155 is a deficient number, since it is larger than the sum of its proper divisors (42082189).

97623155 is a wasteful number, since it uses less digits than its factorization.

97623155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121306.

The product of its digits is 56700, while the sum is 38.

The square root of 97623155 is about 9880.4430568674. The cubic root of 97623155 is about 460.4519109629.

The spelling of 97623155 in words is "ninety-seven million, six hundred twenty-three thousand, one hundred fifty-five".