285082312761 has 27 divisors (see below), whose sum is σ = 421686559749. Its totient is φ = 185590144152.

The previous prime is 285082312721. The next prime is 285082312763. The reversal of 285082312761 is 167213280582.

The square root of 285082312761 is 533931.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 285082312761 - 2²³ = 285073924153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (285082312763) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 68875030 + ... + 68879168.

Almost surely, 2^285082312761 is an apocalyptic number.

285082312761 is the 533931-st square number.

285082312761 is the 266966-th centered octagonal number.

It is an amenable number.

285082312761 is a deficient number, since it is larger than the sum of its proper divisors (136604246988).

285082312761 is an frugal number, since it uses more digits than its factorization.

285082312761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8370 (or 4185 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 285082312761 in words is "two hundred eighty-five billion, eighty-two million, three hundred twelve thousand, seven hundred sixty-one".