83679927854 has 4 divisors (see below), whose sum is σ = 125519891784. Its totient is φ = 41839963926.

The previous prime is 83679927829. The next prime is 83679927899. The reversal of 83679927854 is 45872997638.

It is a happy number.

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

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, 20919981962 + ... + 20919981965.

It is an arithmetic number, because the mean of its divisors is an integer number (31379972946).

Almost surely, 2^83679927854 is an apocalyptic number.

83679927854 is a deficient number, since it is larger than the sum of its proper divisors (41839963930).

83679927854 is a wasteful number, since it uses less digits than its factorization.

83679927854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41839963929.

The product of its digits is 182891520, while the sum is 68.

The spelling of 83679927854 in words is "eighty-three billion, six hundred seventy-nine million, nine hundred twenty-seven thousand, eight hundred fifty-four".