97746661 has 4 divisors (see below), whose sum is σ = 97831872. Its totient is φ = 97661452.

The previous prime is 97746647. The next prime is 97746673. The reversal of 97746661 is 16664779.

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 97746661 - 2⁵ = 97746629 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 (97746601) 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, 40861 + ... + 43186.

It is an arithmetic number, because the mean of its divisors is an integer number (24457968).

Almost surely, 2^97746661 is an apocalyptic number.

It is an amenable number.

97746661 is a deficient number, since it is larger than the sum of its proper divisors (85211).

97746661 is a wasteful number, since it uses less digits than its factorization.

97746661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85210.

The product of its digits is 381024, while the sum is 46.

The square root of 97746661 is about 9886.6911047124. The cubic root of 97746661 is about 460.6460063375.

The spelling of 97746661 in words is "ninety-seven million, seven hundred forty-six thousand, six hundred sixty-one".