97526881 has 4 divisors (see below), whose sum is σ = 99794992. Its totient is φ = 95258772.

The previous prime is 97526873. The next prime is 97526903. The reversal of 97526881 is 18862579.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18862579 = 1433 ⋅13163.

It is a cyclic number.

It is not a de Polignac number, because 97526881 - 2³ = 97526873 is a prime.

It is a super-2 number, since 2×97526881² = 19022985035176322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97526851) 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, 1133991 + ... + 1134076.

It is an arithmetic number, because the mean of its divisors is an integer number (24948748).

Almost surely, 2^97526881 is an apocalyptic number.

It is an amenable number.

97526881 is a deficient number, since it is larger than the sum of its proper divisors (2268111).

97526881 is a wasteful number, since it uses less digits than its factorization.

97526881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268110.

The product of its digits is 241920, while the sum is 46.

The square root of 97526881 is about 9875.5699076053. The cubic root of 97526881 is about 460.3004983615.

The spelling of 97526881 in words is "ninety-seven million, five hundred twenty-six thousand, eight hundred eighty-one".