7801027831056 has 40 divisors (see below), whose sum is σ = 20152776327264. Its totient is φ = 2600326984960.

The previous prime is 7801027830997. The next prime is 7801027831067. The reversal of 7801027831056 is 6501387201087.

It is a happy number.

It is a super-3 number, since 3×7801027831056³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 7801027830996 and 7801027831014.

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, 9831391 + ... + 10595201.

Almost surely, 2^{7801027831056} is an apocalyptic number.

It is an amenable number.

7801027831056 is an abundant number, since it is smaller than the sum of its proper divisors (12351748496208).

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

7801027831056 is a wasteful number, since it uses less digits than its factorization.

7801027831056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976599 (or 976593 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 7801027831056 in words is "seven trillion, eight hundred one billion, twenty-seven million, eight hundred thirty-one thousand, fifty-six".