7857530835780 has 24 divisors (see below), whose sum is σ = 22001086340352. Its totient is φ = 2095341556192.

The previous prime is 7857530835779. The next prime is 7857530835811. The reversal of 7857530835780 is 875380357587.

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

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, 65479423572 + ... + 65479423691.

It is an arithmetic number, because the mean of its divisors is an integer number (916711930848).

Almost surely, 2^{7857530835780} is an apocalyptic number.

It is an amenable number.

7857530835780 is an abundant number, since it is smaller than the sum of its proper divisors (14143555504572).

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

7857530835780 is a wasteful number, since it uses less digits than its factorization.

7857530835780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130958847275 (or 130958847273 counting only the distinct ones).

The product of its (nonzero) digits is 197568000, while the sum is 66.

The spelling of 7857530835780 in words is "seven trillion, eight hundred fifty-seven billion, five hundred thirty million, eight hundred thirty-five thousand, seven hundred eighty".