82738774501 has 4 divisors (see below), whose sum is σ = 83044083904. Its totient is φ = 82433465100.

The previous prime is 82738774457. The next prime is 82738774567. The reversal of 82738774501 is 10547783728.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82738774501 - 2²¹ = 82736677349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82738775501) 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, 152654295 + ... + 152654836.

It is an arithmetic number, because the mean of its divisors is an integer number (20761020976).

Almost surely, 2^82738774501 is an apocalyptic number.

It is an amenable number.

82738774501 is a deficient number, since it is larger than the sum of its proper divisors (305309403).

82738774501 is a wasteful number, since it uses less digits than its factorization.

82738774501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305309402.

The product of its (nonzero) digits is 2634240, while the sum is 52.

The spelling of 82738774501 in words is "eighty-two billion, seven hundred thirty-eight million, seven hundred seventy-four thousand, five hundred one".