94397959661 has 4 divisors (see below), whose sum is σ = 94403943612. Its totient is φ = 94391975712.

The previous prime is 94397959639. The next prime is 94397959679. The reversal of 94397959661 is 16695979349.

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 80766229636 + 13631730025 = 284194^2 + 116755^2 .

It is a cyclic number.

It is not a de Polignac number, because 94397959661 - 2¹⁸ = 94397697517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 94397959591 and 94397959600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94397959961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2968250 + ... + 2999883.

It is an arithmetic number, because the mean of its divisors is an integer number (23600985903).

Almost surely, 2^94397959661 is an apocalyptic number.

It is an amenable number.

94397959661 is a deficient number, since it is larger than the sum of its proper divisors (5983951).

94397959661 is a wasteful number, since it uses less digits than its factorization.

94397959661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5983950.

The product of its digits is 99202320, while the sum is 68.

The spelling of 94397959661 in words is "ninety-four billion, three hundred ninety-seven million, nine hundred fifty-nine thousand, six hundred sixty-one".