97970655 has 8 divisors (see below), whose sum is σ = 156753072. Its totient is φ = 52251008.

The previous prime is 97970651. The next prime is 97970657. The reversal of 97970655 is 55607979.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97970655 - 2² = 97970651 is a prime.

It is a super-2 number, since 2×97970655² = 19196498482258050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97970651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3265674 + ... + 3265703.

It is an arithmetic number, because the mean of its divisors is an integer number (19594134).

Almost surely, 2^97970655 is an apocalyptic number.

97970655 is a deficient number, since it is larger than the sum of its proper divisors (58782417).

97970655 is a wasteful number, since it uses less digits than its factorization.

97970655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6531385.

The product of its (nonzero) digits is 595350, while the sum is 48.

The square root of 97970655 is about 9898.0126793210. The cubic root of 97970655 is about 460.9976064986.

The spelling of 97970655 in words is "ninety-seven million, nine hundred seventy thousand, six hundred fifty-five".