187242894534 has 64 divisors (see below), whose sum is σ = 401669395200. Its totient is φ = 58016673792.

The previous prime is 187242894533. The next prime is 187242894541. The reversal of 187242894534 is 435498242781.

187242894534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187242894533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1547857 + ... + 1664435.

It is an arithmetic number, because the mean of its divisors is an integer number (6276084300).

Almost surely, 2^187242894534 is an apocalyptic number.

187242894534 is an abundant number, since it is smaller than the sum of its proper divisors (214426500666).

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

187242894534 is a wasteful number, since it uses less digits than its factorization.

187242894534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116869.

The product of its digits is 15482880, while the sum is 57.

The spelling of 187242894534 in words is "one hundred eighty-seven billion, two hundred forty-two million, eight hundred ninety-four thousand, five hundred thirty-four".