187700601381 has 8 divisors (see below), whose sum is σ = 250269591264. Its totient is φ = 125132672880.

The previous prime is 187700601373. The next prime is 187700601469. The reversal of 187700601381 is 183106007781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 187700601381 - 2³ = 187700601373 is a prime.

It is a super-2 number, since 2×187700601381² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187700401381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353446 + ... + 707336.

It is an arithmetic number, because the mean of its divisors is an integer number (31283698908).

Almost surely, 2^187700601381 is an apocalyptic number.

It is an amenable number.

187700601381 is a deficient number, since it is larger than the sum of its proper divisors (62568989883).

187700601381 is a wasteful number, since it uses less digits than its factorization.

187700601381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530691.

The product of its (nonzero) digits is 56448, while the sum is 42.

The spelling of 187700601381 in words is "one hundred eighty-seven billion, seven hundred million, six hundred one thousand, three hundred eighty-one".