887777442 has 32 divisors (see below), whose sum is σ = 2036482560. Its totient is φ = 286379280.

The previous prime is 887777389. The next prime is 887777447. The reversal of 887777442 is 244777788.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (887777447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263493 + ... + 266840.

It is an arithmetic number, because the mean of its divisors is an integer number (63640080).

Almost surely, 2^887777442 is an apocalyptic number.

887777442 is an abundant number, since it is smaller than the sum of its proper divisors (1148705118).

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

887777442 is a wasteful number, since it uses less digits than its factorization.

887777442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530375 (or 530369 counting only the distinct ones).

The product of its digits is 4917248, while the sum is 54.

The square root of 887777442 is about 29795.5943387609. The cubic root of 887777442 is about 961.0988004447.

The spelling of 887777442 in words is "eight hundred eighty-seven million, seven hundred seventy-seven thousand, four hundred forty-two".