97118771 has 4 divisors (see below), whose sum is σ = 98710944. Its totient is φ = 95526600.

The previous prime is 97118761. The next prime is 97118783. The reversal of 97118771 is 17781179.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17781179 = 13 ⋅1367783.

It is a cyclic number.

It is not a de Polignac number, because 97118771 - 2²⁶ = 30009907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97118701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 795995 + ... + 796116.

It is an arithmetic number, because the mean of its divisors is an integer number (24677736).

Almost surely, 2^97118771 is an apocalyptic number.

97118771 is a deficient number, since it is larger than the sum of its proper divisors (1592173).

97118771 is a wasteful number, since it uses less digits than its factorization.

97118771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592172.

The product of its digits is 24696, while the sum is 41.

The square root of 97118771 is about 9854.8856411427. The cubic root of 97118771 is about 459.6575444227.

The spelling of 97118771 in words is "ninety-seven million, one hundred eighteen thousand, seven hundred seventy-one".