10398678986 has 16 divisors (see below), whose sum is σ = 16862724960. Its totient is φ = 4792562640.

The previous prime is 10398678977. The next prime is 10398679009. The reversal of 10398678986 is 68987689301.

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, 3696560 + ... + 3699371.

It is an arithmetic number, because the mean of its divisors is an integer number (1053920310).

Almost surely, 2^10398678986 is an apocalyptic number.

10398678986 is a deficient number, since it is larger than the sum of its proper divisors (6464045974).

10398678986 is a wasteful number, since it uses less digits than its factorization.

10398678986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7395989.

The product of its (nonzero) digits is 31352832, while the sum is 65.

The spelling of 10398678986 in words is "ten billion, three hundred ninety-eight million, six hundred seventy-eight thousand, nine hundred eighty-six".