876213431 has 4 divisors (see below), whose sum is σ = 879471000. Its totient is φ = 872955864.

The previous prime is 876213409. The next prime is 876213449. The reversal of 876213431 is 134312678.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134312678 = 2 ⋅67156339.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-876213431 is a prime.

It is a super-2 number, since 2×876213431² = 1535499953329583522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 876213391 and 876213400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (876213131) 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, 1628381 + ... + 1628918.

It is an arithmetic number, because the mean of its divisors is an integer number (219867750).

Almost surely, 2^876213431 is an apocalyptic number.

876213431 is a deficient number, since it is larger than the sum of its proper divisors (3257569).

876213431 is a wasteful number, since it uses less digits than its factorization.

876213431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3257568.

The product of its digits is 24192, while the sum is 35.

The square root of 876213431 is about 29600.9025369160. The cubic root of 876213431 is about 956.9075224001.

The spelling of 876213431 in words is "eight hundred seventy-six million, two hundred thirteen thousand, four hundred thirty-one".