97155015 has 16 divisors (see below), whose sum is σ = 156266496. Its totient is φ = 51543200.

The previous prime is 97154987. The next prime is 97155029. The reversal of 97155015 is 51055179.

It is not a de Polignac number, because 97155015 - 2¹¹ = 97152967 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, 14091 + ... + 19820.

It is an arithmetic number, because the mean of its divisors is an integer number (9766656).

Almost surely, 2^97155015 is an apocalyptic number.

97155015 is a deficient number, since it is larger than the sum of its proper divisors (59111481).

97155015 is a wasteful number, since it uses less digits than its factorization.

97155015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34110.

The product of its (nonzero) digits is 7875, while the sum is 33.

The square root of 97155015 is about 9856.7243544699. The cubic root of 97155015 is about 459.7147175653.

The spelling of 97155015 in words is "ninety-seven million, one hundred fifty-five thousand, fifteen".