870807552 has 96 divisors (see below), whose sum is σ = 2334608640. Its totient is φ = 288645120.

The previous prime is 870807551. The next prime is 870807589. The reversal of 870807552 is 255708078.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870807551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1664763 + ... + 1665285.

It is an arithmetic number, because the mean of its divisors is an integer number (24318840).

Almost surely, 2^870807552 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 870807552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1167304320).

870807552 is an abundant number, since it is smaller than the sum of its proper divisors (1463801088).

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

870807552 is a wasteful number, since it uses less digits than its factorization.

870807552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819 (or 799 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 42.

The square root of 870807552 is about 29509.4485207704. The cubic root of 870807552 is about 954.9355518764.

The spelling of 870807552 in words is "eight hundred seventy million, eight hundred seven thousand, five hundred fifty-two".