99519070770 has 256 divisors, whose sum is σ = 319739904000. Its totient is φ = 21517560576.

The previous prime is 99519070747. The next prime is 99519070771. The reversal of 99519070770 is 7707091599.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (99519070771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 29767719 + ... + 29771061.

It is an arithmetic number, because the mean of its divisors is an integer number (1248984000).

Almost surely, 2^99519070770 is an apocalyptic number.

99519070770 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 99519070770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159869952000).

99519070770 is an abundant number, since it is smaller than the sum of its proper divisors (220220833230).

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

99519070770 is a wasteful number, since it uses less digits than its factorization.

99519070770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4214 (or 4208 counting only the distinct ones).

The product of its (nonzero) digits is 1250235, while the sum is 54.

The spelling of 99519070770 in words is "ninety-nine billion, five hundred nineteen million, seventy thousand, seven hundred seventy".