187375771442 has 16 divisors (see below), whose sum is σ = 296241465240. Its totient is φ = 88750526592.

The previous prime is 187375771423. The next prime is 187375771459. The reversal of 187375771442 is 244177573781.

It can be written as a sum of positive squares in 4 ways, for example, as 186866862961 + 508908481 = 432281^2 + 22559^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30474443 + ... + 30480590.

Almost surely, 2^187375771442 is an apocalyptic number.

187375771442 is a deficient number, since it is larger than the sum of its proper divisors (108865693798).

187375771442 is a wasteful number, since it uses less digits than its factorization.

187375771442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60955117.

The product of its digits is 9219840, while the sum is 56.

The spelling of 187375771442 in words is "one hundred eighty-seven billion, three hundred seventy-five million, seven hundred seventy-one thousand, four hundred forty-two".