187040740755 has 48 divisors (see below), whose sum is σ = 346805040384. Its totient is φ = 85351902720.

The previous prime is 187040740729. The next prime is 187040740771. The reversal of 187040740755 is 557047040781.

It is not a de Polignac number, because 187040740755 - 2¹⁶ = 187040675219 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1913527 + ... + 2008896.

It is an arithmetic number, because the mean of its divisors is an integer number (7225105008).

Almost surely, 2^187040740755 is an apocalyptic number.

187040740755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

187040740755 is a deficient number, since it is larger than the sum of its proper divisors (159764299629).

187040740755 is a wasteful number, since it uses less digits than its factorization.

187040740755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3922476 (or 3922459 counting only the distinct ones).

The product of its (nonzero) digits is 1097600, while the sum is 48.

The spelling of 187040740755 in words is "one hundred eighty-seven billion, forty million, seven hundred forty thousand, seven hundred fifty-five".