2085275777157 has 24 divisors (see below), whose sum is σ = 3141678662304. Its totient is φ = 1382148078768.

The previous prime is 2085275777131. The next prime is 2085275777177. The reversal of 2085275777157 is 7517775725802.

2085275777157 is a `hidden beast` number, since 2 + 0 + 8 + 5 + 2 + 7 + 577 + 7 + 1 + 57 = 666.

It is not a de Polignac number, because 2085275777157 - 2¹⁵ = 2085275744389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2085275777094 and 2085275777103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085275777177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24759643 + ... + 24843720.

It is an arithmetic number, because the mean of its divisors is an integer number (130903277596).

Almost surely, 2^{2085275777157} is an apocalyptic number.

2085275777157 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2085275777157 is a deficient number, since it is larger than the sum of its proper divisors (1056402885147).

2085275777157 is an equidigital number, since it uses as much as digits as its factorization.

2085275777157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49603551 (or 49603539 counting only the distinct ones).

The product of its (nonzero) digits is 67228000, while the sum is 63.

The spelling of 2085275777157 in words is "two trillion, eighty-five billion, two hundred seventy-five million, seven hundred seventy-seven thousand, one hundred fifty-seven".