85777750780274 has 16 divisors (see below), whose sum is σ = 147295545078528. Its totient is φ = 36699900113472.

The previous prime is 85777750780247. The next prime is 85777750780301. The reversal of 85777750780274 is 47208705777758.

It is an interprime number because it is at equal distance from previous prime (85777750780247) and next prime (85777750780301).

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, 5166081242 + ... + 5166097845.

It is an arithmetic number, because the mean of its divisors is an integer number (9205971567408).

Almost surely, 2^{85777750780274} is an apocalyptic number.

85777750780274 is a deficient number, since it is larger than the sum of its proper divisors (61517794298254).

85777750780274 is a wasteful number, since it uses less digits than its factorization.

85777750780274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10332179689.

The product of its (nonzero) digits is 1505907200, while the sum is 74.

The spelling of 85777750780274 in words is "eighty-five trillion, seven hundred seventy-seven billion, seven hundred fifty million, seven hundred eighty thousand, two hundred seventy-four".