15826147028 has 6 divisors (see below), whose sum is σ = 27695757306. Its totient is φ = 7913073512.

The previous prime is 15826146997. The next prime is 15826147081. The reversal of 15826147028 is 82074162851.

It can be written as a sum of positive squares in only one way, i.e., 14770027024 + 1056120004 = 121532^2 + 32498^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 15826147028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1978268375 + ... + 1978268382.

It is an arithmetic number, because the mean of its divisors is an integer number (4615959551).

Almost surely, 2^15826147028 is an apocalyptic number.

It is an amenable number.

15826147028 is a deficient number, since it is larger than the sum of its proper divisors (11869610278).

15826147028 is a wasteful number, since it uses less digits than its factorization.

15826147028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3956536761 (or 3956536759 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The spelling of 15826147028 in words is "fifteen billion, eight hundred twenty-six million, one hundred forty-seven thousand, twenty-eight".