97148815 has 16 divisors (see below), whose sum is σ = 118080000. Its totient is φ = 76725792.

The previous prime is 97148789. The next prime is 97148833. The reversal of 97148815 is 51884179.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 97148815 - 2¹¹ = 97146767 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161886 + ... + 162484.

It is an arithmetic number, because the mean of its divisors is an integer number (7380000).

Almost surely, 2^97148815 is an apocalyptic number.

97148815 is a deficient number, since it is larger than the sum of its proper divisors (20931185).

97148815 is a wasteful number, since it uses less digits than its factorization.

97148815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966.

The product of its digits is 80640, while the sum is 43.

The square root of 97148815 is about 9856.4098433456. The cubic root of 97148815 is about 459.7049383759.

The spelling of 97148815 in words is "ninety-seven million, one hundred forty-eight thousand, eight hundred fifteen".