690879750000 has 840 divisors, whose sum is σ = 2566534647936. Its totient is φ = 159720000000.

The previous prime is 690879749999. The next prime is 690879750047. The reversal of 690879750000 is 57978096.

690879750000 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 2087249835 + ... + 2087250165.

Almost surely, 2^690879750000 is an apocalyptic number.

690879750000 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 690879750000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1283267323968).

690879750000 is an abundant number, since it is smaller than the sum of its proper divisors (1875654897936).

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

690879750000 is a wasteful number, since it uses less digits than its factorization.

690879750000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 51.

The spelling of 690879750000 in words is "six hundred ninety billion, eight hundred seventy-nine million, seven hundred fifty thousand".