28077800030 has 64 divisors (see below), whose sum is σ = 58054527360. Its totient is φ = 9577734144.

The previous prime is 28077799957. The next prime is 28077800053. The reversal of 28077800030 is 3000877082.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14058992 + ... + 14060988.

It is an arithmetic number, because the mean of its divisors is an integer number (907101990).

Almost surely, 2^28077800030 is an apocalyptic number.

28077800030 is an abundant number, since it is smaller than the sum of its proper divisors (29976727330).

28077800030 is a wasteful number, since it uses less digits than its factorization.

28077800030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933.

The product of its (nonzero) digits is 18816, while the sum is 35.

The spelling of 28077800030 in words is "twenty-eight billion, seventy-seven million, eight hundred thousand, thirty".