8453788273656 has 96 divisors (see below), whose sum is σ = 25206249697200. Its totient is φ = 2538251665920.

The previous prime is 8453788273639. The next prime is 8453788273681. The reversal of 8453788273656 is 6563728873548.

8453788273656 is a `hidden beast` number, since 8 + 4 + 537 + 8 + 8 + 2 + 7 + 36 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48876861 + ... + 49049516.

Almost surely, 2^{8453788273656} is an apocalyptic number.

It is an amenable number.

8453788273656 is an abundant number, since it is smaller than the sum of its proper divisors (16752461423544).

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

8453788273656 is a wasteful number, since it uses less digits than its factorization.

8453788273656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97926509 (or 97926502 counting only the distinct ones).

The product of its digits is 1625702400, while the sum is 72.

The spelling of 8453788273656 in words is "eight trillion, four hundred fifty-three billion, seven hundred eighty-eight million, two hundred seventy-three thousand, six hundred fifty-six".