97175779990 has 16 divisors (see below), whose sum is σ = 177023832048. Its totient is φ = 38401994656.

The previous prime is 97175779973. The next prime is 97175779993. The reversal of 97175779990 is 9997757179.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97175779993) 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, 58538797 + ... + 58540456.

It is an arithmetic number, because the mean of its divisors is an integer number (11063989503).

Almost surely, 2^97175779990 is an apocalyptic number.

97175779990 is a deficient number, since it is larger than the sum of its proper divisors (79848052058).

97175779990 is a wasteful number, since it uses less digits than its factorization.

97175779990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117079343.

The product of its (nonzero) digits is 78764805, while the sum is 70.

The spelling of 97175779990 in words is "ninety-seven billion, one hundred seventy-five million, seven hundred seventy-nine thousand, nine hundred ninety".