10010009978 has 16 divisors (see below), whose sum is σ = 15243141120. Its totient is φ = 4929002496.

The previous prime is 10010009969. The next prime is 10010009981. The reversal of 10010009978 is 87990001001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678650 + ... + 693242.

It is an arithmetic number, because the mean of its divisors is an integer number (952696320).

Almost surely, 2^10010009978 is an apocalyptic number.

10010009978 is a deficient number, since it is larger than the sum of its proper divisors (5233131142).

10010009978 is a wasteful number, since it uses less digits than its factorization.

10010009978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19781.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 10010009978 in words is "ten billion, ten million, nine thousand, nine hundred seventy-eight".