841978087 has 6 divisors (see below), whose sum is σ = 858167072. Its totient is φ = 826088952.

The previous prime is 841978063. The next prime is 841978097. The reversal of 841978087 is 780879148.

It is not a de Polignac number, because 841978087 - 2⁷ = 841977959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (841978097) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 147063 + ... + 152680.

Almost surely, 2^841978087 is an apocalyptic number.

841978087 is a deficient number, since it is larger than the sum of its proper divisors (16188985).

841978087 is an equidigital number, since it uses as much as digits as its factorization.

841978087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299849 (or 299796 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 52.

The square root of 841978087 is about 29016.8586687119. The cubic root of 841978087 is about 944.2788511024.

The spelling of 841978087 in words is "eight hundred forty-one million, nine hundred seventy-eight thousand, eighty-seven".