94497979997 has 4 divisors (see below), whose sum is σ = 94608246876. Its totient is φ = 94387713120.

The previous prime is 94497979991. The next prime is 94497980023. The reversal of 94497979997 is 79997979449.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 82720087321 + 11777892676 = 287611^2 + 108526^2 .

It is a cyclic number.

It is not a de Polignac number, because 94497979997 - 2⁴ = 94497979981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94497979991) 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, 55132154 + ... + 55133867.

It is an arithmetic number, because the mean of its divisors is an integer number (23652061719).

Almost surely, 2^94497979997 is an apocalyptic number.

It is an amenable number.

94497979997 is a deficient number, since it is larger than the sum of its proper divisors (110266879).

94497979997 is a wasteful number, since it uses less digits than its factorization.

94497979997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110266878.

The product of its digits is 2916548208, while the sum is 83.

The spelling of 94497979997 in words is "ninety-four billion, four hundred ninety-seven million, nine hundred seventy-nine thousand, nine hundred ninety-seven".