1387711696 has 40 divisors (see below), whose sum is σ = 3092401280. Its totient is φ = 590937984.

The previous prime is 1387711691. The next prime is 1387711697. The reversal of 1387711696 is 6961177831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1387711691) 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, 21876 + ... + 57043.

It is an arithmetic number, because the mean of its divisors is an integer number (77310032).

Almost surely, 2^1387711696 is an apocalyptic number.

1387711696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1387711696 is an abundant number, since it is smaller than the sum of its proper divisors (1704689584).

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

1387711696 is a wasteful number, since it uses less digits than its factorization.

1387711696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79091 (or 79085 counting only the distinct ones).

The product of its digits is 381024, while the sum is 49.

The square root of 1387711696 is about 37252.0025770428. The cubic root of 1387711696 is about 1115.4062736868.

The spelling of 1387711696 in words is "one billion, three hundred eighty-seven million, seven hundred eleven thousand, six hundred ninety-six".