876487431 has 4 divisors (see below), whose sum is σ = 1168649912. Its totient is φ = 584324952.

The previous prime is 876487399. The next prime is 876487453. The reversal of 876487431 is 134784678.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 876487431 - 2⁵ = 876487399 is a prime.

It is a super-2 number, since 2×876487431² = 1536460433401959522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (876483431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146081236 + ... + 146081241.

It is an arithmetic number, because the mean of its divisors is an integer number (292162478).

Almost surely, 2^876487431 is an apocalyptic number.

876487431 is a deficient number, since it is larger than the sum of its proper divisors (292162481).

876487431 is a wasteful number, since it uses less digits than its factorization.

876487431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292162480.

The product of its digits is 903168, while the sum is 48.

The square root of 876487431 is about 29605.5304124077. The cubic root of 876487431 is about 957.0072565997.

The spelling of 876487431 in words is "eight hundred seventy-six million, four hundred eighty-seven thousand, four hundred thirty-one".