10017979 has 2 divisors, whose sum is σ = 10017980. Its totient is φ = 10017978.

The previous prime is 10017977. The next prime is 10017983. The reversal of 10017979 is 97971001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10017979 - 2¹ = 10017977 is a prime.

Together with 10017977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10017977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5008989 + 5008990.

It is an arithmetic number, because the mean of its divisors is an integer number (5008990).

Almost surely, 2^10017979 is an apocalyptic number.

10017979 is a deficient number, since it is larger than the sum of its proper divisors (1).

10017979 is an equidigital number, since it uses as much as digits as its factorization.

10017979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3969, while the sum is 34.

The square root of 10017979 is about 3165.1191130825. The cubic root of 10017979 is about 215.5725069726.

The spelling of 10017979 in words is "ten million, seventeen thousand, nine hundred seventy-nine".