442374277587 has 32 divisors (see below), whose sum is σ = 646184438784. Its totient is φ = 266968473600.

The previous prime is 442374277561. The next prime is 442374277591. The reversal of 442374277587 is 785772473244.

It is not a de Polignac number, because 442374277587 - 2⁶ = 442374277523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 442374277587.

It is not an unprimeable number, because it can be changed into a prime (442374277507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29820262 + ... + 29835092.

It is an arithmetic number, because the mean of its divisors is an integer number (20193263712).

Almost surely, 2^442374277587 is an apocalyptic number.

442374277587 is a deficient number, since it is larger than the sum of its proper divisors (203810161197).

442374277587 is a wasteful number, since it uses less digits than its factorization.

442374277587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18619.

The product of its digits is 73758720, while the sum is 60.

The spelling of 442374277587 in words is "four hundred forty-two billion, three hundred seventy-four million, two hundred seventy-seven thousand, five hundred eighty-seven".