97955455979 has 8 divisors (see below), whose sum is σ = 98672344320. Its totient is φ = 97239465000.

The previous prime is 97955455943. The next prime is 97955455993.

97955455979 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97955455979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97955455079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4439 + ... + 442640.

It is an arithmetic number, because the mean of its divisors is an integer number (12334043040).

Almost surely, 2^97955455979 is an apocalyptic number.

97955455979 is a deficient number, since it is larger than the sum of its proper divisors (716888341).

97955455979 is a wasteful number, since it uses less digits than its factorization.

97955455979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448681.

The product of its digits is 803722500, while the sum is 74.

The spelling of 97955455979 in words is "ninety-seven billion, nine hundred fifty-five million, four hundred fifty-five thousand, nine hundred seventy-nine".