699050880000 has 1980 divisors, whose sum is σ = 2985297555240. Its totient is φ = 156794880000.

The previous prime is 699050879993. The next prime is 699050880061. The reversal of 699050880000 is 88050996.

699050880000 is a `hidden beast` number, since 69 + 9 + 0 + 508 + 80 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1980).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 11848319971 + ... + 11848320029.

It is an arithmetic number, because the mean of its divisors is an integer number (1507726038).

Almost surely, 2^699050880000 is an apocalyptic number.

699050880000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 699050880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1492648777620).

699050880000 is an abundant number, since it is smaller than the sum of its proper divisors (2286246675240).

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

699050880000 is a wasteful number, since it uses less digits than its factorization.

699050880000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 699050880000 in words is "six hundred ninety-nine billion, fifty million, eight hundred eighty thousand".