699086868480 has 2080 divisors, whose sum is σ = 3372758661888. Its totient is φ = 133772083200.

The previous prime is 699086868457. The next prime is 699086868499. The reversal of 699086868480 is 84868680996.

699086868480 is a `hidden beast` number, since 6 + 9 + 9 + 0 + 86 + 8 + 68 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (2080).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 699086868399 and 699086868408.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1660538670 + ... + 1660539090.

Almost surely, 2^699086868480 is an apocalyptic number.

699086868480 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 699086868480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1686379330944).

699086868480 is an abundant number, since it is smaller than the sum of its proper divisors (2673671793408).

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

699086868480 is a wasteful number, since it uses less digits than its factorization.

699086868480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 286654464, while the sum is 72.

The spelling of 699086868480 in words is "six hundred ninety-nine billion, eighty-six million, eight hundred sixty-eight thousand, four hundred eighty".