387380680 has 16 divisors (see below), whose sum is σ = 871606620. Its totient is φ = 154952256.

The previous prime is 387380677. The next prime is 387380729. The reversal of 387380680 is 86083783.

It can be written as a sum of positive squares in 2 ways, for example, as 385808164 + 1572516 = 19642^2 + 1254^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4842219 + ... + 4842298.

Almost surely, 2^387380680 is an apocalyptic number.

It is an amenable number.

387380680 is an abundant number, since it is smaller than the sum of its proper divisors (484225940).

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

387380680 is a wasteful number, since it uses less digits than its factorization.

387380680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9684528 (or 9684524 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 387380680 is about 19681.9887206552. The cubic root of 387380680 is about 728.9750299258.

The spelling of 387380680 in words is "three hundred eighty-seven million, three hundred eighty thousand, six hundred eighty".