28708010623 has 8 divisors (see below), whose sum is σ = 29487603888. Its totient is φ = 27928612224.

The previous prime is 28708010599. The next prime is 28708010627. The reversal of 28708010623 is 32601080782.

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

It is a cyclic number.

It is not a de Polignac number, because 28708010623 - 2²⁵ = 28674456191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28708010627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279540 + ... + 368182.

It is an arithmetic number, because the mean of its divisors is an integer number (3685950486).

Almost surely, 2^28708010623 is an apocalyptic number.

28708010623 is a deficient number, since it is larger than the sum of its proper divisors (779593265).

28708010623 is an equidigital number, since it uses as much as digits as its factorization.

28708010623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97433.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 28708010623 in words is "twenty-eight billion, seven hundred eight million, ten thousand, six hundred twenty-three".