999997000102 has 16 divisors (see below), whose sum is σ = 1582589176560. Its totient is φ = 472588826112.

The previous prime is 999997000087. The next prime is 999997000103. The reversal of 999997000102 is 201000799999.

It is a junction number, because it is equal to n+sod(n) for n = 999996999998 and 999997000043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999997000103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30371203 + ... + 30404110.

It is an arithmetic number, because the mean of its divisors is an integer number (98911823535).

Almost surely, 2^999997000102 is an apocalyptic number.

999997000102 is a deficient number, since it is larger than the sum of its proper divisors (582592176458).

999997000102 is a wasteful number, since it uses less digits than its factorization.

999997000102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60775767.

The product of its (nonzero) digits is 826686, while the sum is 55.

The spelling of 999997000102 in words is "nine hundred ninety-nine billion, nine hundred ninety-seven million, one hundred two", and thus it is an aban number.