93790894478 has 4 divisors (see below), whose sum is σ = 140686341720. Its totient is φ = 46895447238.

The previous prime is 93790894459. The next prime is 93790894489. The reversal of 93790894478 is 87449809739.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87449809739 = 1051 ⋅83206289.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 23447723618 + ... + 23447723621.

It is an arithmetic number, because the mean of its divisors is an integer number (35171585430).

Almost surely, 2^93790894478 is an apocalyptic number.

93790894478 is a deficient number, since it is larger than the sum of its proper divisors (46895447242).

93790894478 is a wasteful number, since it uses less digits than its factorization.

93790894478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46895447241.

The product of its (nonzero) digits is 109734912, while the sum is 68.

The spelling of 93790894478 in words is "ninety-three billion, seven hundred ninety million, eight hundred ninety-four thousand, four hundred seventy-eight".