93810661 has 4 divisors (see below), whose sum is σ = 107212192. Its totient is φ = 80409132.

The previous prime is 93810659. The next prime is 93810677. The reversal of 93810661 is 16601839.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16601839 = 19 ⋅873781.

It is a cyclic number.

It is not a de Polignac number, because 93810661 - 2¹ = 93810659 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 (93810611) 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, 6700755 + ... + 6700768.

It is an arithmetic number, because the mean of its divisors is an integer number (26803048).

Almost surely, 2^93810661 is an apocalyptic number.

It is an amenable number.

93810661 is a deficient number, since it is larger than the sum of its proper divisors (13401531).

93810661 is a wasteful number, since it uses less digits than its factorization.

93810661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13401530.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 93810661 is about 9685.5903795277. The cubic root of 93810661 is about 454.3781078404.

The spelling of 93810661 in words is "ninety-three million, eight hundred ten thousand, six hundred sixty-one".