82619272942 has 4 divisors (see below), whose sum is σ = 123928909416. Its totient is φ = 41309636470.

The previous prime is 82619272921. The next prime is 82619272943. The reversal of 82619272942 is 24927291628.

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

It is a super-2 number, since 2×82619272942² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82619272942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82619272943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20654818234 + ... + 20654818237.

It is an arithmetic number, because the mean of its divisors is an integer number (30982227354).

Almost surely, 2^82619272942 is an apocalyptic number.

82619272942 is a deficient number, since it is larger than the sum of its proper divisors (41309636474).

82619272942 is a wasteful number, since it uses less digits than its factorization.

82619272942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41309636473.

The product of its digits is 1741824, while the sum is 52.

The spelling of 82619272942 in words is "eighty-two billion, six hundred nineteen million, two hundred seventy-two thousand, nine hundred forty-two".