82458057621 has 12 divisors (see below), whose sum is σ = 112560384768. Its totient is φ = 53693615304.

The previous prime is 82458057607. The next prime is 82458057629. The reversal of 82458057621 is 12675085428.

It is not a de Polignac number, because 82458057621 - 2⁶ = 82458057557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82458057629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7427125 + ... + 7438218.

It is an arithmetic number, because the mean of its divisors is an integer number (9380032064).

Almost surely, 2^82458057621 is an apocalyptic number.

It is an amenable number.

82458057621 is a deficient number, since it is larger than the sum of its proper divisors (30102327147).

82458057621 is a wasteful number, since it uses less digits than its factorization.

82458057621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14865432 (or 14865389 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 82458057621 in words is "eighty-two billion, four hundred fifty-eight million, fifty-seven thousand, six hundred twenty-one".