15078497896 has 64 divisors (see below), whose sum is σ = 35321518080. Its totient is φ = 5862559680.

The previous prime is 15078497893. The next prime is 15078497957. The reversal of 15078497896 is 69879487051.

It is a super-2 number, since 2×15078497896² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15078497893) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 274861 + ... + 325123.

It is an arithmetic number, because the mean of its divisors is an integer number (551898720).

Almost surely, 2^15078497896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15078497896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17660759040).

15078497896 is an abundant number, since it is smaller than the sum of its proper divisors (20243020184).

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

15078497896 is a wasteful number, since it uses less digits than its factorization.

15078497896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50774 (or 50770 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 64.

The spelling of 15078497896 in words is "fifteen billion, seventy-eight million, four hundred ninety-seven thousand, eight hundred ninety-six".