97902537679 has 16 divisors (see below), whose sum is σ = 107550362880. Its totient is φ = 88705298880.

The previous prime is 97902537673. The next prime is 97902537683. The reversal of 97902537679 is 97673520979.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 97902537679 - 2¹⁵ = 97902504911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97902537679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97902537673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6156819 + ... + 6172699.

It is an arithmetic number, because the mean of its divisors is an integer number (6721897680).

Almost surely, 2^97902537679 is an apocalyptic number.

97902537679 is a deficient number, since it is larger than the sum of its proper divisors (9647825201).

97902537679 is a wasteful number, since it uses less digits than its factorization.

97902537679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30030.

The product of its (nonzero) digits is 45008460, while the sum is 64.

The spelling of 97902537679 in words is "ninety-seven billion, nine hundred two million, five hundred thirty-seven thousand, six hundred seventy-nine".