7700861538618 has 32 divisors (see below), whose sum is σ = 15553861944192. Its totient is φ = 2541605726400.

The previous prime is 7700861538613. The next prime is 7700861538619. The reversal of 7700861538618 is 8168351680077.

It is not an unprimeable number, because it can be changed into a prime (7700861538613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2654548 + ... + 4737968.

It is an arithmetic number, because the mean of its divisors is an integer number (486058185756).

Almost surely, 2^{7700861538618} is an apocalyptic number.

7700861538618 is an abundant number, since it is smaller than the sum of its proper divisors (7853000405574).

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

7700861538618 is a wasteful number, since it uses less digits than its factorization.

7700861538618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089510.

The product of its (nonzero) digits is 13547520, while the sum is 60.

The spelling of 7700861538618 in words is "seven trillion, seven hundred billion, eight hundred sixty-one million, five hundred thirty-eight thousand, six hundred eighteen".