97158905771559 has 32 divisors (see below), whose sum is σ = 136895588766720. Its totient is φ = 61194145310592.

The previous prime is 97158905771537. The next prime is 97158905771561. The reversal of 97158905771559 is 95517750985179.

It is a happy number.

It is not a de Polignac number, because 97158905771559 - 2⁹ = 97158905771047 is a prime.

It is a super-2 number, since 2×97158905771559² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97158905771509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14739309 + ... + 20287065.

It is an arithmetic number, because the mean of its divisors is an integer number (4277987148960).

Almost surely, 2^{97158905771559} is an apocalyptic number.

97158905771559 is a deficient number, since it is larger than the sum of its proper divisors (39736682995161).

97158905771559 is a wasteful number, since it uses less digits than its factorization.

97158905771559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5552119.

The product of its (nonzero) digits is 1250235000, while the sum is 78.

The spelling of 97158905771559 in words is "ninety-seven trillion, one hundred fifty-eight billion, nine hundred five million, seven hundred seventy-one thousand, five hundred fifty-nine".