15834078072 has 256 divisors, whose sum is σ = 47278080000. Its totient is φ = 4900746240.

The previous prime is 15834078061. The next prime is 15834078131. The reversal of 15834078072 is 27087043851.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19572004 + ... + 19572812.

It is an arithmetic number, because the mean of its divisors is an integer number (184680000).

Almost surely, 2^15834078072 is an apocalyptic number.

15834078072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15834078072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23639040000).

15834078072 is an abundant number, since it is smaller than the sum of its proper divisors (31444001928).

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

15834078072 is a wasteful number, since it uses less digits than its factorization.

15834078072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971 (or 961 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 15834078072 in words is "fifteen billion, eight hundred thirty-four million, seventy-eight thousand, seventy-two".