82637427650140 has 24 divisors (see below), whose sum is σ = 189314834253552. Its totient is φ = 30049973690880.

The previous prime is 82637427650119. The next prime is 82637427650159. The reversal of 82637427650140 is 4105672473628.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187812335349 + ... + 187812335788.

It is an arithmetic number, because the mean of its divisors is an integer number (7888118093898).

Almost surely, 2^{82637427650140} is an apocalyptic number.

It is an amenable number.

82637427650140 is an abundant number, since it is smaller than the sum of its proper divisors (106677406603412).

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

82637427650140 is a wasteful number, since it uses less digits than its factorization.

82637427650140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375624671157 (or 375624671155 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 55.

The spelling of 82637427650140 in words is "eighty-two trillion, six hundred thirty-seven billion, four hundred twenty-seven million, six hundred fifty thousand, one hundred forty".