97252981881 has 32 divisors (see below), whose sum is σ = 143644540416. Its totient is φ = 58031424000.

The previous prime is 97252981873. The next prime is 97252981883. The reversal of 97252981881 is 18818925279.

It is not a de Polignac number, because 97252981881 - 2³ = 97252981873 is a prime.

It is a super-2 number, since 2×97252981881² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97252981883) 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, 4701321 + ... + 4721961.

It is an arithmetic number, because the mean of its divisors is an integer number (4488891888).

Almost surely, 2^97252981881 is an apocalyptic number.

It is an amenable number.

97252981881 is a deficient number, since it is larger than the sum of its proper divisors (46391558535).

97252981881 is a wasteful number, since it uses less digits than its factorization.

97252981881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22853.

The product of its digits is 5806080, while the sum is 60.

The spelling of 97252981881 in words is "ninety-seven billion, two hundred fifty-two million, nine hundred eighty-one thousand, eight hundred eighty-one".