97157677773 has 16 divisors (see below), whose sum is σ = 141189289920. Its totient is φ = 59068984704.

The previous prime is 97157677769. The next prime is 97157677777. The reversal of 97157677773 is 37777675179.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (97157677769) and next prime (97157677777).

It is not a de Polignac number, because 97157677773 - 2² = 97157677769 is a prime.

It is a super-2 number, since 2×97157677773² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97157677777) 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, 15004128 + ... + 15010601.

It is an arithmetic number, because the mean of its divisors is an integer number (8824330620).

Almost surely, 2^97157677773 is an apocalyptic number.

It is an amenable number.

97157677773 is a deficient number, since it is larger than the sum of its proper divisors (44031612147).

97157677773 is a wasteful number, since it uses less digits than its factorization.

97157677773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30014828.

The product of its digits is 95295690, while the sum is 66.

The spelling of 97157677773 in words is "ninety-seven billion, one hundred fifty-seven million, six hundred seventy-seven thousand, seven hundred seventy-three".