28077156230 has 16 divisors (see below), whose sum is σ = 50860787760. Its totient is φ = 11159327712.

The previous prime is 28077156181. The next prime is 28077156281. The reversal of 28077156230 is 3265177082.

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 7 ways as a sum of consecutive naturals, for example, 8940200 + ... + 8943339.

It is an arithmetic number, because the mean of its divisors is an integer number (3178799235).

Almost surely, 2^28077156230 is an apocalyptic number.

28077156230 is a deficient number, since it is larger than the sum of its proper divisors (22783631530).

28077156230 is a wasteful number, since it uses less digits than its factorization.

28077156230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17883703.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 28077156230 in words is "twenty-eight billion, seventy-seven million, one hundred fifty-six thousand, two hundred thirty".