15787042963 has 8 divisors (see below), whose sum is σ = 16049533280. Its totient is φ = 15524671680.

The previous prime is 15787042951. The next prime is 15787042991. The reversal of 15787042963 is 36924078751.

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 15787042963 - 2²¹ = 15784945811 is a prime.

It is the 125647-th Hogben number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15787042963.

It is not an unprimeable number, because it can be changed into a prime (15787042913) by changing a digit.

It is a nontrivial repunit in base 125646.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261106 + ... + 315832.

It is an arithmetic number, because the mean of its divisors is an integer number (2006191660).

It is a 2-persistent number, because it is pandigital, and so is 2⋅15787042963 = 31574085926, but 3⋅15787042963 = 47361128889 is not.

Almost surely, 2^15787042963 is an apocalyptic number.

15787042963 is a deficient number, since it is larger than the sum of its proper divisors (262490317).

15787042963 is an equidigital number, since it uses as much as digits as its factorization.

15787042963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59517.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 15787042963 in words is "fifteen billion, seven hundred eighty-seven million, forty-two thousand, nine hundred sixty-three".