28077530805830 has 16 divisors (see below), whose sum is σ = 55134060491664. Its totient is φ = 10210011202080.

The previous prime is 28077530805823. The next prime is 28077530805871. The reversal of 28077530805830 is 3850803577082.

It is a happy number.

28077530805830 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127625139917 + ... + 127625140136.

It is an arithmetic number, because the mean of its divisors is an integer number (3445878780729).

Almost surely, 2^{28077530805830} is an apocalyptic number.

28077530805830 is a deficient number, since it is larger than the sum of its proper divisors (27056529685834).

28077530805830 is a wasteful number, since it uses less digits than its factorization.

28077530805830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255250280071.

The product of its (nonzero) digits is 11289600, while the sum is 56.

The spelling of 28077530805830 in words is "twenty-eight trillion, seventy-seven billion, five hundred thirty million, eight hundred five thousand, eight hundred thirty".