93664078 has 4 divisors (see below), whose sum is σ = 140496120. Its totient is φ = 46832038.

The previous prime is 93664009. The next prime is 93664079. The reversal of 93664078 is 87046639.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93664079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23416018 + ... + 23416021.

It is an arithmetic number, because the mean of its divisors is an integer number (35124030).

Almost surely, 2^93664078 is an apocalyptic number.

93664078 is a deficient number, since it is larger than the sum of its proper divisors (46832042).

93664078 is a wasteful number, since it uses less digits than its factorization.

93664078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46832041.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 93664078 is about 9678.0203554239. The cubic root of 93664078 is about 454.1413230011.

The spelling of 93664078 in words is "ninety-three million, six hundred sixty-four thousand, seventy-eight".