887213465040 has 640 divisors, whose sum is σ = 3472132055040. Its totient is φ = 182920421376.

The previous prime is 887213465029. The next prime is 887213465057. The reversal of 887213465040 is 40564312788.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 48174874 + ... + 48193286.

It is an arithmetic number, because the mean of its divisors is an integer number (5425206336).

Almost surely, 2^887213465040 is an apocalyptic number.

887213465040 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 887213465040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1736066027520).

887213465040 is an abundant number, since it is smaller than the sum of its proper divisors (2584918590000).

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

887213465040 is a wasteful number, since it uses less digits than its factorization.

887213465040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18531 (or 18525 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 887213465040 in words is "eight hundred eighty-seven billion, two hundred thirteen million, four hundred sixty-five thousand, forty".