97881037 has 4 divisors (see below), whose sum is σ = 99342016. Its totient is φ = 96420060.

The previous prime is 97881013. The next prime is 97881071. The reversal of 97881037 is 73018879.

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.

It is a cyclic number.

It is not a de Polignac number, because 97881037 - 2¹⁵ = 97848269 is a prime.

It is a pancake number, because a pancake can be divided into 97881037 parts by 13991 straight cuts.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97880984 and 97881002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97881737) 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, 730389 + ... + 730522.

It is an arithmetic number, because the mean of its divisors is an integer number (24835504).

Almost surely, 2^97881037 is an apocalyptic number.

It is an amenable number.

97881037 is a deficient number, since it is larger than the sum of its proper divisors (1460979).

97881037 is a wasteful number, since it uses less digits than its factorization.

97881037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460978.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 97881037 is about 9893.4845731926. The cubic root of 97881037 is about 460.8569987930.

The spelling of 97881037 in words is "ninety-seven million, eight hundred eighty-one thousand, thirty-seven".