82267777842 has 16 divisors (see below), whose sum is σ = 164629758432. Its totient is φ = 27406892160.

The previous prime is 82267777841. The next prime is 82267777877. The reversal of 82267777842 is 24877776228.

It is not an unprimeable number, because it can be changed into a prime (82267777841) 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, 3913759 + ... + 3934722.

It is an arithmetic number, because the mean of its divisors is an integer number (10289359902).

Almost surely, 2^82267777842 is an apocalyptic number.

82267777842 is an abundant number, since it is smaller than the sum of its proper divisors (82361980590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82267777842 is a wasteful number, since it uses less digits than its factorization.

82267777842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7850233.

The product of its digits is 29503488, while the sum is 60.

The spelling of 82267777842 in words is "eighty-two billion, two hundred sixty-seven million, seven hundred seventy-seven thousand, eight hundred forty-two".