695890379520 has 864 divisors, whose sum is σ = 2907815984640. Its totient is φ = 157112524800.

The previous prime is 695890379501. The next prime is 695890379579. The reversal of 695890379520 is 25973098596.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 140553045 + ... + 140557995.

It is an arithmetic number, because the mean of its divisors is an integer number (3365527760).

Almost surely, 2^695890379520 is an apocalyptic number.

695890379520 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 695890379520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1453907992320).

695890379520 is an abundant number, since it is smaller than the sum of its proper divisors (2211925605120).

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

695890379520 is a wasteful number, since it uses less digits than its factorization.

695890379520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5078 (or 5051 counting only the distinct ones).

The product of its (nonzero) digits is 36741600, while the sum is 63.

The spelling of 695890379520 in words is "six hundred ninety-five billion, eight hundred ninety million, three hundred seventy-nine thousand, five hundred twenty".