901407979 has 2 divisors, whose sum is σ = 901407980. Its totient is φ = 901407978.

The previous prime is 901407967. The next prime is 901407989. The reversal of 901407979 is 979704109.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 901407979 - 2¹¹ = 901405931 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (901407929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450703989 + 450703990.

It is an arithmetic number, because the mean of its divisors is an integer number (450703990).

Almost surely, 2^901407979 is an apocalyptic number.

901407979 is a deficient number, since it is larger than the sum of its proper divisors (1).

901407979 is an equidigital number, since it uses as much as digits as its factorization.

901407979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142884, while the sum is 46.

The square root of 901407979 is about 30023.4571460383. The cubic root of 901407979 is about 965.9925996087.

The spelling of 901407979 in words is "nine hundred one million, four hundred seven thousand, nine hundred seventy-nine".