387530079 has 16 divisors (see below), whose sum is σ = 548431200. Its totient is φ = 242565120.

The previous prime is 387530057. The next prime is 387530081. The reversal of 387530079 is 970035783.

It is not a de Polignac number, because 387530079 - 2¹⁵ = 387497311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 387530079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387530029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12447 + ... + 30495.

It is an arithmetic number, because the mean of its divisors is an integer number (34276950).

Almost surely, 2^387530079 is an apocalyptic number.

387530079 is a deficient number, since it is larger than the sum of its proper divisors (160901121).

387530079 is a wasteful number, since it uses less digits than its factorization.

387530079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18490.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 387530079 is about 19685.7836775679. The cubic root of 387530079 is about 729.0687311595.

The spelling of 387530079 in words is "three hundred eighty-seven million, five hundred thirty thousand, seventy-nine".