13858737487 has 8 divisors (see below), whose sum is σ = 16055524256. Its totient is φ = 11716192512.

The previous prime is 13858737463. The next prime is 13858737499. The reversal of 13858737487 is 78473785831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13858737487 - 2⁷ = 13858737359 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 (13858737407) 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, 13559898 + ... + 13560919.

It is an arithmetic number, because the mean of its divisors is an integer number (2006940532).

Almost surely, 2^13858737487 is an apocalyptic number.

13858737487 is a deficient number, since it is larger than the sum of its proper divisors (2196786769).

13858737487 is an equidigital number, since it uses as much as digits as its factorization.

13858737487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27120897.

The product of its digits is 31610880, while the sum is 61.

The spelling of 13858737487 in words is "thirteen billion, eight hundred fifty-eight million, seven hundred thirty-seven thousand, four hundred eighty-seven".