900838879 has 2 divisors, whose sum is σ = 900838880. Its totient is φ = 900838878.

The previous prime is 900838877. The next prime is 900838901. The reversal of 900838879 is 978838009.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 900838879 - 2¹ = 900838877 is a prime.

Together with 900838877, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (900838877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450419439 + 450419440.

It is an arithmetic number, because the mean of its divisors is an integer number (450419440).

Almost surely, 2^900838879 is an apocalyptic number.

900838879 is a deficient number, since it is larger than the sum of its proper divisors (1).

900838879 is an equidigital number, since it uses as much as digits as its factorization.

900838879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 900838879 is about 30013.9780602305. The cubic root of 900838879 is about 965.7892650716.

The spelling of 900838879 in words is "nine hundred million, eight hundred thirty-eight thousand, eight hundred seventy-nine".