82122443907 has 24 divisors (see below), whose sum is σ = 130816124496. Its totient is φ = 45658807488.

The previous prime is 82122443899. The next prime is 82122443939. The reversal of 82122443907 is 70934422128.

It is not a de Polignac number, because 82122443907 - 2³ = 82122443899 is a prime.

It is a super-2 number, since 2×82122443907² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82122443947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7543968 + ... + 7554845.

It is an arithmetic number, because the mean of its divisors is an integer number (5450671854).

Almost surely, 2^82122443907 is an apocalyptic number.

82122443907 is a deficient number, since it is larger than the sum of its proper divisors (48693680589).

82122443907 is a wasteful number, since it uses less digits than its factorization.

82122443907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15098867 (or 15098860 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 82122443907 in words is "eighty-two billion, one hundred twenty-two million, four hundred forty-three thousand, nine hundred seven".