1387410987 has 16 divisors (see below), whose sum is σ = 1960657920. Its totient is φ = 869661312.

The previous prime is 1387410979. The next prime is 1387411007. The reversal of 1387410987 is 7890147831.

It is not a de Polignac number, because 1387410987 - 2³ = 1387410979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1387410977) 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, 39898 + ... + 66080.

It is an arithmetic number, because the mean of its divisors is an integer number (122541120).

Almost surely, 2^1387410987 is an apocalyptic number.

1387410987 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1387410987 is a deficient number, since it is larger than the sum of its proper divisors (573246933).

1387410987 is a wasteful number, since it uses less digits than its factorization.

1387410987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27242.

The product of its (nonzero) digits is 338688, while the sum is 48.

The square root of 1387410987 is about 37247.9662129357. The cubic root of 1387410987 is about 1115.3257005302.

The spelling of 1387410987 in words is "one billion, three hundred eighty-seven million, four hundred ten thousand, nine hundred eighty-seven".