97879183647 has 16 divisors (see below), whose sum is σ = 149220970752. Its totient is φ = 55904060160.

The previous prime is 97879183613. The next prime is 97879183667. The reversal of 97879183647 is 74638197879.

It is not a de Polignac number, because 97879183647 - 2⁶ = 97879183583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97879183667) 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 15 ways as a sum of consecutive naturals, for example, 1076173 + ... + 1163574.

It is an arithmetic number, because the mean of its divisors is an integer number (9326310672).

Almost surely, 2^97879183647 is an apocalyptic number.

97879183647 is a deficient number, since it is larger than the sum of its proper divisors (51341787105).

97879183647 is a wasteful number, since it uses less digits than its factorization.

97879183647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241838.

The product of its digits is 128024064, while the sum is 69.

The spelling of 97879183647 in words is "ninety-seven billion, eight hundred seventy-nine million, one hundred eighty-three thousand, six hundred forty-seven".