1380607887 has 16 divisors (see below), whose sum is σ = 1957679360. Its totient is φ = 862970112.

The previous prime is 1380607873. The next prime is 1380607889. The reversal of 1380607887 is 7887060831.

It is not a de Polignac number, because 1380607887 - 2²⁸ = 1112172431 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 (1380607889) 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, 119323 + ... + 130380.

It is an arithmetic number, because the mean of its divisors is an integer number (122354960).

Almost surely, 2^1380607887 is an apocalyptic number.

1380607887 is a deficient number, since it is larger than the sum of its proper divisors (577071473).

1380607887 is a wasteful number, since it uses less digits than its factorization.

1380607887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249822.

The product of its (nonzero) digits is 451584, while the sum is 48.

The square root of 1380607887 is about 37156.5322251687. The cubic root of 1380607887 is about 1113.4997315941.

The spelling of 1380607887 in words is "one billion, three hundred eighty million, six hundred seven thousand, eight hundred eighty-seven".