887023872 has 378 divisors, whose sum is σ = 3119909478. Its totient is φ = 250822656.

The previous prime is 887023871. The next prime is 887023931. The reversal of 887023872 is 278320788.

It can be written as a sum of positive squares in only one way, i.e., 740710656 + 146313216 = 27216^2 + 12096^2 .

It is a tau number, because it is divible by the number of its divisors (378).

It is a super-2 number, since 2×887023872² = 1573622698995744768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (887023871) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 9144528 + ... + 9144624.

Almost surely, 2^887023872 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 887023872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1559954739).

887023872 is an abundant number, since it is smaller than the sum of its proper divisors (2232885606).

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

887023872 is an frugal number, since it uses more digits than its factorization.

887023872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 887023872 is about 29782.9459926314. The cubic root of 887023872 is about 960.8267877352.

The spelling of 887023872 in words is "eight hundred eighty-seven million, twenty-three thousand, eight hundred seventy-two".