97780474595 has 16 divisors (see below), whose sum is σ = 119563052832. Its totient is φ = 76740368640.

The previous prime is 97780474553. The next prime is 97780474613. The reversal of 97780474595 is 59547408779.

It is not a de Polignac number, because 97780474595 - 2⁸ = 97780474339 is a prime.

It is a super-2 number, since 2×97780474595² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4375400 + ... + 4397690.

It is an arithmetic number, because the mean of its divisors is an integer number (7472690802).

Almost surely, 2^97780474595 is an apocalyptic number.

97780474595 is a deficient number, since it is larger than the sum of its proper divisors (21782578237).

97780474595 is a wasteful number, since it uses less digits than its factorization.

97780474595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38902.

The product of its (nonzero) digits is 88905600, while the sum is 65.

The spelling of 97780474595 in words is "ninety-seven billion, seven hundred eighty million, four hundred seventy-four thousand, five hundred ninety-five".