28077330723 has 8 divisors (see below), whose sum is σ = 40316167248. Its totient is φ = 17278357344.

The previous prime is 28077330667. The next prime is 28077330779. The reversal of 28077330723 is 32703377082.

It is an interprime number because it is at equal distance from previous prime (28077330667) and next prime (28077330779).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28077330723 - 2⁸ = 28077330467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28077330623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359965740 + ... + 359965817.

It is an arithmetic number, because the mean of its divisors is an integer number (5039520906).

Almost surely, 2^28077330723 is an apocalyptic number.

28077330723 is a deficient number, since it is larger than the sum of its proper divisors (12238836525).

28077330723 is a wasteful number, since it uses less digits than its factorization.

28077330723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719931573.

The product of its (nonzero) digits is 296352, while the sum is 42.

The spelling of 28077330723 in words is "twenty-eight billion, seventy-seven million, three hundred thirty thousand, seven hundred twenty-three".