28078603701 has 8 divisors (see below), whose sum is σ = 37474810464. Its totient is φ = 18700733040.

The previous prime is 28078603643. The next prime is 28078603703. The reversal of 28078603701 is 10730687082.

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

It is not a de Polignac number, because 28078603701 - 2¹³ = 28078595509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28078603703) 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, 4580451 + ... + 4586576.

It is an arithmetic number, because the mean of its divisors is an integer number (4684351308).

Almost surely, 2^28078603701 is an apocalyptic number.

It is an amenable number.

28078603701 is a deficient number, since it is larger than the sum of its proper divisors (9396206763).

28078603701 is a wasteful number, since it uses less digits than its factorization.

28078603701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9168051.

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 28078603701 in words is "twenty-eight billion, seventy-eight million, six hundred three thousand, seven hundred one".