15783147408 has 80 divisors (see below), whose sum is σ = 46642836096. Its totient is φ = 4505118720.

The previous prime is 15783147403. The next prime is 15783147433. The reversal of 15783147408 is 80474138751.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (15783147403) 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, 334360 + ... + 378632.

Almost surely, 2^15783147408 is an apocalyptic number.

It is an amenable number.

15783147408 is an abundant number, since it is smaller than the sum of its proper divisors (30859688688).

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

15783147408 is a wasteful number, since it uses less digits than its factorization.

15783147408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45352 (or 45346 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 15783147408 in words is "fifteen billion, seven hundred eighty-three million, one hundred forty-seven thousand, four hundred eight".