876351881 has 2 divisors, whose sum is σ = 876351882. Its totient is φ = 876351880.

The previous prime is 876351871. The next prime is 876352007. The reversal of 876351881 is 188153678.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 871135225 + 5216656 = 29515^2 + 2284^2 .

It is a cyclic number.

It is not a de Polignac number, because 876351881 - 2²² = 872157577 is a prime.

It is a super-2 number, since 2×876351881² = 1535985238664476322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (876351811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 438175940 + 438175941.

It is an arithmetic number, because the mean of its divisors is an integer number (438175941).

Almost surely, 2^876351881 is an apocalyptic number.

It is an amenable number.

876351881 is a deficient number, since it is larger than the sum of its proper divisors (1).

876351881 is an equidigital number, since it uses as much as digits as its factorization.

876351881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 47.

The square root of 876351881 is about 29603.2410556682. The cubic root of 876351881 is about 956.9579198886.

The spelling of 876351881 in words is "eight hundred seventy-six million, three hundred fifty-one thousand, eight hundred eighty-one".