99963785070 has 128 divisors (see below), whose sum is σ = 267787560960. Its totient is φ = 26535600000.

The previous prime is 99963785039. The next prime is 99963785081. The reversal of 99963785070 is 7058736999.

99963785070 is a `hidden beast` number, since 9 + 9 + 96 + 37 + 8 + 507 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 99963784989 and 99963785007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 85365585 + ... + 85366755.

It is an arithmetic number, because the mean of its divisors is an integer number (2092090320).

Almost surely, 2^99963785070 is an apocalyptic number.

99963785070 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a pronic number, being equal to 316170×316171.

It is a practical number, because each smaller number is the sum of distinct divisors of 99963785070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133893780480).

99963785070 is an abundant number, since it is smaller than the sum of its proper divisors (167823775890).

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

99963785070 is a wasteful number, since it uses less digits than its factorization.

99963785070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359 (or 2353 counting only the distinct ones).

The product of its (nonzero) digits is 25719120, while the sum is 63.

The spelling of 99963785070 in words is "ninety-nine billion, nine hundred sixty-three million, seven hundred eighty-five thousand, seventy".