8214746745720 has 128 divisors (see below), whose sum is σ = 26014796179200. Its totient is φ = 2069425188864.

The previous prime is 8214746745707. The next prime is 8214746745731. The reversal of 8214746745720 is 275476474128.

It is a happy number.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4298502 + ... + 5908181.

It is an arithmetic number, because the mean of its divisors is an integer number (203240595150).

Almost surely, 2^{8214746745720} is an apocalyptic number.

It is an amenable number.

8214746745720 is an abundant number, since it is smaller than the sum of its proper divisors (17800049433480).

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

8214746745720 is a wasteful number, since it uses less digits than its factorization.

8214746745720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10207069 (or 10207065 counting only the distinct ones).

The product of its (nonzero) digits is 21073920, while the sum is 57.

The spelling of 8214746745720 in words is "eight trillion, two hundred fourteen billion, seven hundred forty-six million, seven hundred forty-five thousand, seven hundred twenty".