97831059261 has 16 divisors (see below), whose sum is σ = 147868808640. Its totient is φ = 57035111040.

The previous prime is 97831059233. The next prime is 97831059301. The reversal of 97831059261 is 16295013879.

It is not a de Polignac number, because 97831059261 - 2¹⁷ = 97830928189 is a prime.

It is a super-2 number, since 2×97831059261² (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 (97831059211) 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, 66012120 + ... + 66013601.

It is an arithmetic number, because the mean of its divisors is an integer number (9241800540).

Almost surely, 2^97831059261 is an apocalyptic number.

It is an amenable number.

97831059261 is a deficient number, since it is larger than the sum of its proper divisors (50037749379).

97831059261 is a wasteful number, since it uses less digits than its factorization.

97831059261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132025756.

The product of its (nonzero) digits is 816480, while the sum is 51.

The spelling of 97831059261 in words is "ninety-seven billion, eight hundred thirty-one million, fifty-nine thousand, two hundred sixty-one".