28158050736 has 70 divisors (see below), whose sum is σ = 81796950300. Its totient is φ = 9386013024.

The previous prime is 28158050731. The next prime is 28158050737. The reversal of 28158050736 is 63705085182.

28158050736 is a `hidden beast` number, since 28 + 15 + 80 + 507 + 36 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 28158050691 and 28158050700.

It is not an unprimeable number, because it can be changed into a prime (28158050731) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1195386 + ... + 1218713.

Almost surely, 2^28158050736 is an apocalyptic number.

It is an amenable number.

28158050736 is an abundant number, since it is smaller than the sum of its proper divisors (53638899564).

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

28158050736 is an equidigital number, since it uses as much as digits as its factorization.

28158050736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414125 (or 2414104 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 28158050736 in words is "twenty-eight billion, one hundred fifty-eight million, fifty thousand, seven hundred thirty-six".