887772247040 has 440 divisors, whose sum is σ = 2502943326792. Its totient is φ = 302115717120.

The previous prime is 887772247009. The next prime is 887772247049. The reversal of 887772247040 is 40742277788.

It can be written as a sum of positive squares in 4 ways, for example, as 405269745664 + 482502501376 = 636608^2 + 694624^2 .

It is a super-2 number, since 2×887772247040² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (887772247049) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3159331700 + ... + 3159331980.

Almost surely, 2^887772247040 is an apocalyptic number.

887772247040 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 887772247040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1251471663396).

887772247040 is an abundant number, since it is smaller than the sum of its proper divisors (1615171079752).

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

887772247040 is an equidigital number, since it uses as much as digits as its factorization.

887772247040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 9834496, while the sum is 56.

The spelling of 887772247040 in words is "eight hundred eighty-seven billion, seven hundred seventy-two million, two hundred forty-seven thousand, forty".