7957245798720 has 448 divisors, whose sum is σ = 29373746688000. Its totient is φ = 2024002455552.

The previous prime is 7957245798701. The next prime is 7957245798737. The reversal of 7957245798720 is 278975427597.

It is a happy number.

7957245798720 is a `hidden beast` number, since 7 + 9 + 5 + 7 + 24 + 579 + 8 + 7 + 20 = 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 63 ways as a sum of consecutive naturals, for example, 71284711 + ... + 71396249.

Almost surely, 2^{7957245798720} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7957245798720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14686873344000).

7957245798720 is an abundant number, since it is smaller than the sum of its proper divisors (21416500889280).

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

7957245798720 is a wasteful number, since it uses less digits than its factorization.

7957245798720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111947 (or 111931 counting only the distinct ones).

The product of its (nonzero) digits is 622339200, while the sum is 72.

The spelling of 7957245798720 in words is "seven trillion, nine hundred fifty-seven billion, two hundred forty-five million, seven hundred ninety-eight thousand, seven hundred twenty".