387000157 has 8 divisors (see below), whose sum is σ = 400692600. Its totient is φ = 373330944.

The previous prime is 387000137. The next prime is 387000179. The reversal of 387000157 is 751000783.

It can be written as a sum of positive squares in 4 ways, for example, as 271953081 + 115047076 = 16491^2 + 10726^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 387000157 - 2²³ = 378611549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387000137) 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, 32469 + ... + 42757.

It is an arithmetic number, because the mean of its divisors is an integer number (50086575).

Almost surely, 2^387000157 is an apocalyptic number.

It is an amenable number.

387000157 is a deficient number, since it is larger than the sum of its proper divisors (13692443).

387000157 is a wasteful number, since it uses less digits than its factorization.

387000157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11615.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 387000157 is about 19672.3195632849. The cubic root of 387000157 is about 728.7362616579.

The spelling of 387000157 in words is "three hundred eighty-seven million, one hundred fifty-seven", and thus it is an aban number.