187274980994 has 16 divisors (see below), whose sum is σ = 293177956032. Its totient is φ = 89550437328.

The previous prime is 187274980987. The next prime is 187274981011. The reversal of 187274980994 is 499089472781.

It is a super-2 number, since 2×187274980994² (a number of 23 digits) contains 22 as substring.

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, 95684 + ... + 619439.

It is an arithmetic number, because the mean of its divisors is an integer number (18323622252).

Almost surely, 2^187274980994 is an apocalyptic number.

187274980994 is a deficient number, since it is larger than the sum of its proper divisors (105902975038).

187274980994 is a wasteful number, since it uses less digits than its factorization.

187274980994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720841.

The product of its (nonzero) digits is 73156608, while the sum is 68.

The spelling of 187274980994 in words is "one hundred eighty-seven billion, two hundred seventy-four million, nine hundred eighty thousand, nine hundred ninety-four".