82981511935 has 16 divisors (see below), whose sum is σ = 113808762432. Its totient is φ = 56898835200.

The previous prime is 82981511903. The next prime is 82981511983. The reversal of 82981511935 is 53911518928.

It is a happy number.

It is not a de Polignac number, because 82981511935 - 2⁵ = 82981511903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 889405 + ... + 978265.

It is an arithmetic number, because the mean of its divisors is an integer number (7113047652).

Almost surely, 2^82981511935 is an apocalyptic number.

82981511935 is a deficient number, since it is larger than the sum of its proper divisors (30827250497).

82981511935 is a wasteful number, since it uses less digits than its factorization.

82981511935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115554.

The product of its digits is 777600, while the sum is 52.

The spelling of 82981511935 in words is "eighty-two billion, nine hundred eighty-one million, five hundred eleven thousand, nine hundred thirty-five".