83077889018 has 16 divisors (see below), whose sum is σ = 124966063104. Its totient is φ = 41422693680.

The previous prime is 83077889017. The next prime is 83077889077. The reversal of 83077889018 is 81098877038.

It is not an unprimeable number, because it can be changed into a prime (83077889017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1025663 + ... + 1103693.

It is an arithmetic number, because the mean of its divisors is an integer number (7810378944).

Almost surely, 2^83077889018 is an apocalyptic number.

83077889018 is a deficient number, since it is larger than the sum of its proper divisors (41888174086).

83077889018 is a wasteful number, since it uses less digits than its factorization.

83077889018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79517.

The product of its (nonzero) digits is 5419008, while the sum is 59.

The spelling of 83077889018 in words is "eighty-three billion, seventy-seven million, eight hundred eighty-nine thousand, eighteen".