969879901 has 2 divisors, whose sum is σ = 969879902. Its totient is φ = 969879900.

The previous prime is 969879839. The next prime is 969879907. The reversal of 969879901 is 109978969.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 901800900 + 68079001 = 30030^2 + 8251^2 .

It is a cyclic number.

It is not a de Polignac number, because 969879901 - 2⁷ = 969879773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (969879907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484939950 + 484939951.

It is an arithmetic number, because the mean of its divisors is an integer number (484939951).

Almost surely, 2^969879901 is an apocalyptic number.

It is an amenable number.

969879901 is a deficient number, since it is larger than the sum of its proper divisors (1).

969879901 is an equidigital number, since it uses as much as digits as its factorization.

969879901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2204496, while the sum is 58.

The square root of 969879901 is about 31142.8948718644. The cubic root of 969879901 is about 989.8574433375.

The spelling of 969879901 in words is "nine hundred sixty-nine million, eight hundred seventy-nine thousand, nine hundred one".