82893342139 has 4 divisors (see below), whose sum is σ = 87256149640. Its totient is φ = 78530534640.

The previous prime is 82893342137. The next prime is 82893342151. The reversal of 82893342139 is 93124339828.

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

It is a cyclic number.

It is not a de Polignac number, because 82893342139 - 2¹ = 82893342137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82893342137) 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, 2181403722 + ... + 2181403759.

It is an arithmetic number, because the mean of its divisors is an integer number (21814037410).

Almost surely, 2^82893342139 is an apocalyptic number.

82893342139 is a deficient number, since it is larger than the sum of its proper divisors (4362807501).

82893342139 is a wasteful number, since it uses less digits than its factorization.

82893342139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4362807500.

The product of its digits is 2239488, while the sum is 52.

The spelling of 82893342139 in words is "eighty-two billion, eight hundred ninety-three million, three hundred forty-two thousand, one hundred thirty-nine".