97399555 has 24 divisors (see below), whose sum is σ = 129276000. Its totient is φ = 70392960.

The previous prime is 97399537. The next prime is 97399591. The reversal of 97399555 is 55599379.

It is a happy number.

It is not a de Polignac number, because 97399555 - 2¹¹ = 97397507 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119991 + ... + 120799.

It is an arithmetic number, because the mean of its divisors is an integer number (5386500).

Almost surely, 2^97399555 is an apocalyptic number.

97399555 is a deficient number, since it is larger than the sum of its proper divisors (31876445).

97399555 is a wasteful number, since it uses less digits than its factorization.

97399555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035 (or 1024 counting only the distinct ones).

The product of its digits is 1913625, while the sum is 52.

The square root of 97399555 is about 9869.1212881391. The cubic root of 97399555 is about 460.1000963648.

The spelling of 97399555 in words is "ninety-seven million, three hundred ninety-nine thousand, five hundred fifty-five".