187077795164 has 12 divisors (see below), whose sum is σ = 352569690984. Its totient is φ = 86343597744.

The previous prime is 187077795139. The next prime is 187077795169. The reversal of 187077795164 is 461597770781.

It is a junction number, because it is equal to n+sod(n) for n = 187077795097 and 187077795106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187077795169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1798824902 + ... + 1798825005.

It is an arithmetic number, because the mean of its divisors is an integer number (29380807582).

Almost surely, 2^187077795164 is an apocalyptic number.

It is an amenable number.

187077795164 is a deficient number, since it is larger than the sum of its proper divisors (165491895820).

187077795164 is a wasteful number, since it uses less digits than its factorization.

187077795164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3597649924 (or 3597649922 counting only the distinct ones).

The product of its (nonzero) digits is 20744640, while the sum is 62.

The spelling of 187077795164 in words is "one hundred eighty-seven billion, seventy-seven million, seven hundred ninety-five thousand, one hundred sixty-four".