887751261 has 6 divisors (see below), whose sum is σ = 1282307390. Its totient is φ = 591834168.

The previous prime is 887751259. The next prime is 887751281. The reversal of 887751261 is 162157788.

It is a happy number.

887751261 is a `hidden beast` number, since 8 + 8 + 77 + 512 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 820822500 + 66928761 = 28650^2 + 8181^2 .

It is not a de Polignac number, because 887751261 - 2¹ = 887751259 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (887751251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49319506 + ... + 49319523.

Almost surely, 2^887751261 is an apocalyptic number.

It is an amenable number.

887751261 is a deficient number, since it is larger than the sum of its proper divisors (394556129).

887751261 is a wasteful number, since it uses less digits than its factorization.

887751261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98639035 (or 98639032 counting only the distinct ones).

The product of its digits is 188160, while the sum is 45.

The square root of 887751261 is about 29795.1549920453. The cubic root of 887751261 is about 961.0893525907.

The spelling of 887751261 in words is "eight hundred eighty-seven million, seven hundred fifty-one thousand, two hundred sixty-one".