97879505862 has 32 divisors (see below), whose sum is σ = 197906607360. Its totient is φ = 32269635360.

The previous prime is 97879505839. The next prime is 97879505923. The reversal of 97879505862 is 26850597879.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 97879505793 and 97879505802.

It is a congruent number.

It is an unprimeable number.

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, 235287 + ... + 501117.

It is an arithmetic number, because the mean of its divisors is an integer number (6184581480).

Almost surely, 2^97879505862 is an apocalyptic number.

97879505862 is an abundant number, since it is smaller than the sum of its proper divisors (100027101498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97879505862 is a wasteful number, since it uses less digits than its factorization.

97879505862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266508.

The product of its (nonzero) digits is 76204800, while the sum is 66.

The spelling of 97879505862 in words is "ninety-seven billion, eight hundred seventy-nine million, five hundred five thousand, eight hundred sixty-two".