690852053088 has 288 divisors, whose sum is σ = 2164668105600. Its totient is φ = 208105648128.

The previous prime is 690852053077. The next prime is 690852053113. The reversal of 690852053088 is 880350258096.

690852053088 is a `hidden beast` number, since 6 + 9 + 0 + 8 + 5 + 20 + 530 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12393343 + ... + 12448961.

It is an arithmetic number, because the mean of its divisors is an integer number (7516208700).

Almost surely, 2^690852053088 is an apocalyptic number.

690852053088 is a gapful number since it is divisible by the number (68) 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 690852053088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1082334052800).

690852053088 is an abundant number, since it is smaller than the sum of its proper divisors (1473816052512).

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

690852053088 is a wasteful number, since it uses less digits than its factorization.

690852053088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55754 (or 55743 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 690852053088 in words is "six hundred ninety billion, eight hundred fifty-two million, fifty-three thousand, eighty-eight".