801147887 has 2 divisors, whose sum is σ = 801147888. Its totient is φ = 801147886.

The previous prime is 801147871. The next prime is 801147943. The reversal of 801147887 is 788741108.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 801147887 - 2⁴ = 801147871 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (801147817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400573943 + 400573944.

It is an arithmetic number, because the mean of its divisors is an integer number (400573944).

Almost surely, 2^801147887 is an apocalyptic number.

801147887 is a deficient number, since it is larger than the sum of its proper divisors (1).

801147887 is an equidigital number, since it uses as much as digits as its factorization.

801147887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100352, while the sum is 44.

The square root of 801147887 is about 28304.5559406962. Note that the first 3 decimals coincide. The cubic root of 801147887 is about 928.7615561553.

The spelling of 801147887 in words is "eight hundred one million, one hundred forty-seven thousand, eight hundred eighty-seven".