8212583876540 has 24 divisors (see below), whose sum is σ = 18154132780560. Its totient is φ = 3112137047808.

The previous prime is 8212583876509. The next prime is 8212583876591. The reversal of 8212583876540 is 456783852128.

It is a self number, because there is not a number n which added to its sum of digits gives 8212583876540.

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, 10806031037 + ... + 10806031796.

It is an arithmetic number, because the mean of its divisors is an integer number (756422199190).

Almost surely, 2^{8212583876540} is an apocalyptic number.

It is an amenable number.

8212583876540 is an abundant number, since it is smaller than the sum of its proper divisors (9941548904020).

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

8212583876540 is a wasteful number, since it uses less digits than its factorization.

8212583876540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21612062861 (or 21612062859 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 59.

The spelling of 8212583876540 in words is "eight trillion, two hundred twelve billion, five hundred eighty-three million, eight hundred seventy-six thousand, five hundred forty".