97994761 has 4 divisors (see below), whose sum is σ = 103152400. Its totient is φ = 92837124.

The previous prime is 97994753. The next prime is 97994777. The reversal of 97994761 is 16749979.

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 97994761 - 2³ = 97994753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97994699 and 97994708.

It is not an unprimeable number, because it can be changed into a prime (97994261) 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, 2578791 + ... + 2578828.

It is an arithmetic number, because the mean of its divisors is an integer number (25788100).

Almost surely, 2^97994761 is an apocalyptic number.

It is an amenable number.

97994761 is a deficient number, since it is larger than the sum of its proper divisors (5157639).

97994761 is a wasteful number, since it uses less digits than its factorization.

97994761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5157638.

The product of its digits is 857304, while the sum is 52.

The square root of 97994761 is about 9899.2303236161. The cubic root of 97994761 is about 461.0354133874.

The spelling of 97994761 in words is "ninety-seven million, nine hundred ninety-four thousand, seven hundred sixty-one".