887249425920 has 640 divisors, whose sum is σ = 3403402168320. Its totient is φ = 194309652480.

The previous prime is 887249425901. The next prime is 887249425949. The reversal of 887249425920 is 29524942788.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51608686 + ... + 51625874.

It is an arithmetic number, because the mean of its divisors is an integer number (5317815888).

Almost surely, 2^887249425920 is an apocalyptic number.

887249425920 is a gapful number since it is divisible by the number (80) 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 887249425920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1701701084160).

887249425920 is an abundant number, since it is smaller than the sum of its proper divisors (2516152742400).

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

887249425920 is a wasteful number, since it uses less digits than its factorization.

887249425920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17286 (or 17270 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 60.

The spelling of 887249425920 in words is "eight hundred eighty-seven billion, two hundred forty-nine million, four hundred twenty-five thousand, nine hundred twenty".