187913260488 has 32 divisors (see below), whose sum is σ = 469937412000. Its totient is φ = 62617185408.

The previous prime is 187913260427. The next prime is 187913260517. The reversal of 187913260488 is 884062319781.

It is a super-2 number, since 2×187913260488² (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, 1210806 + ... + 1357157.

It is an arithmetic number, because the mean of its divisors is an integer number (14685544125).

Almost surely, 2^187913260488 is an apocalyptic number.

It is an amenable number.

187913260488 is an abundant number, since it is smaller than the sum of its proper divisors (282024151512).

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

187913260488 is a wasteful number, since it uses less digits than its factorization.

187913260488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571021 (or 2571017 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 57.

The spelling of 187913260488 in words is "one hundred eighty-seven billion, nine hundred thirteen million, two hundred sixty thousand, four hundred eighty-eight".