97479750641 has 16 divisors (see below), whose sum is σ = 121420569984. Its totient is φ = 76197590784.

The previous prime is 97479750637. The next prime is 97479750647. The reversal of 97479750641 is 14605797479.

It is not a de Polignac number, because 97479750641 - 2² = 97479750637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97479750647) 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 15 ways as a sum of consecutive naturals, for example, 6445496 + ... + 6460601.

It is an arithmetic number, because the mean of its divisors is an integer number (7588785624).

Almost surely, 2^97479750641 is an apocalyptic number.

97479750641 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

97479750641 is a deficient number, since it is larger than the sum of its proper divisors (23940819343).

97479750641 is a wasteful number, since it uses less digits than its factorization.

97479750641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12906200.

The product of its (nonzero) digits is 13335840, while the sum is 59.

The spelling of 97479750641 in words is "ninety-seven billion, four hundred seventy-nine million, seven hundred fifty thousand, six hundred forty-one".