885131407 has 2 divisors, whose sum is σ = 885131408. Its totient is φ = 885131406.

The previous prime is 885131383. The next prime is 885131431. The reversal of 885131407 is 704131588.

It is a balanced prime because it is at equal distance from previous prime (885131383) and next prime (885131431).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-885131407 is a prime.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 442565703 + 442565704.

It is an arithmetic number, because the mean of its divisors is an integer number (442565704).

Almost surely, 2^885131407 is an apocalyptic number.

885131407 is a deficient number, since it is larger than the sum of its proper divisors (1).

885131407 is an equidigital number, since it uses as much as digits as its factorization.

885131407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 885131407 is about 29751.1580783001. The cubic root of 885131407 is about 960.1429933845.

The spelling of 885131407 in words is "eight hundred eighty-five million, one hundred thirty-one thousand, four hundred seven".