97877693 has 4 divisors (see below), whose sum is σ = 98173728. Its totient is φ = 97581660.

The previous prime is 97877669. The next prime is 97877699. The reversal of 97877693 is 39677879.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97877693 - 2⁶ = 97877629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97877699) 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 3 ways as a sum of consecutive naturals, for example, 147521 + ... + 148182.

It is an arithmetic number, because the mean of its divisors is an integer number (24543432).

Almost surely, 2^97877693 is an apocalyptic number.

It is an amenable number.

97877693 is a deficient number, since it is larger than the sum of its proper divisors (296035).

97877693 is a wasteful number, since it uses less digits than its factorization.

97877693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296034.

The product of its digits is 4000752, while the sum is 56.

The square root of 97877693 is about 9893.3155716372. The cubic root of 97877693 is about 460.8517505059.

The spelling of 97877693 in words is "ninety-seven million, eight hundred seventy-seven thousand, six hundred ninety-three".