77857186231714 has 32 divisors (see below), whose sum is σ = 119840821500096. Its totient is φ = 37922695629120.

The previous prime is 77857186231711. The next prime is 77857186231729. The reversal of 77857186231714 is 41713268175877.

It is a self number, because there is not a number n which added to its sum of digits gives 77857186231714.

It is not an unprimeable number, because it can be changed into a prime (77857186231711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49523089 + ... + 51071035.

It is an arithmetic number, because the mean of its divisors is an integer number (3745025671878).

Almost surely, 2^{77857186231714} is an apocalyptic number.

77857186231714 is a deficient number, since it is larger than the sum of its proper divisors (41983635268382).

77857186231714 is a wasteful number, since it uses less digits than its factorization.

77857186231714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551970.

The product of its digits is 110638080, while the sum is 67.

The spelling of 77857186231714 in words is "seventy-seven trillion, eight hundred fifty-seven billion, one hundred eighty-six million, two hundred thirty-one thousand, seven hundred fourteen".