900697771008 has 440 divisors, whose sum is σ = 3254749847712. Its totient is φ = 242201788416.

The previous prime is 900697770989. The next prime is 900697771021. The reversal of 900697771008 is 800177796009.

It is a super-2 number, since 2×900697771008² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9824710 + ... + 9915962.

Almost surely, 2^900697771008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 900697771008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1627374923856).

900697771008 is an abundant number, since it is smaller than the sum of its proper divisors (2354052076704).

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

900697771008 is a wasteful number, since it uses less digits than its factorization.

900697771008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91309 (or 91282 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 54.

The spelling of 900697771008 in words is "nine hundred billion, six hundred ninety-seven million, seven hundred seventy-one thousand, eight".