97900554997 has 8 divisors (see below), whose sum is σ = 113234377536. Its totient is φ = 82903739712.

The previous prime is 97900554979. The next prime is 97900555013. The reversal of 97900554997 is 79945500979.

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 97900554997 - 2¹⁵ = 97900522229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97900554797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84251188 + ... + 84252349.

It is an arithmetic number, because the mean of its divisors is an integer number (14154297192).

Almost surely, 2^97900554997 is an apocalyptic number.

It is an amenable number.

97900554997 is a deficient number, since it is larger than the sum of its proper divisors (15333822539).

97900554997 is a wasteful number, since it uses less digits than its factorization.

97900554997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168503627.

The product of its (nonzero) digits is 32148900, while the sum is 64.

The spelling of 97900554997 in words is "ninety-seven billion, nine hundred million, five hundred fifty-four thousand, nine hundred ninety-seven".