999306717102 has 24 divisors (see below), whose sum is σ = 2165200005384. Its totient is φ = 333096784944.

The previous prime is 999306717053. The next prime is 999306717113. The reversal of 999306717102 is 201717603999.

It is a happy number.

It is a super-2 number, since 2×999306717102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 763588 + ... + 1606760.

It is an arithmetic number, because the mean of its divisors is an integer number (90216666891).

Almost surely, 2^999306717102 is an apocalyptic number.

999306717102 is an abundant number, since it is smaller than the sum of its proper divisors (1165893288282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999306717102 is a wasteful number, since it uses less digits than its factorization.

999306717102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909024 (or 909021 counting only the distinct ones).

The product of its (nonzero) digits is 1285956, while the sum is 54.

The spelling of 999306717102 in words is "nine hundred ninety-nine billion, three hundred six million, seven hundred seventeen thousand, one hundred two".