28693612590770 has 8 divisors (see below), whose sum is σ = 51648502663404. Its totient is φ = 11477445036304.

The previous prime is 28693612590757. The next prime is 28693612590779. The reversal of 28693612590770 is 7709521639682.

It can be written as a sum of positive squares in 2 ways, for example, as 25398686963521 + 3294925627249 = 5039711^2 + 1815193^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 28693612590697 and 28693612590706.

It is not an unprimeable number, because it can be changed into a prime (28693612590779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1434680629529 + ... + 1434680629548.

Almost surely, 2^{28693612590770} is an apocalyptic number.

28693612590770 is a deficient number, since it is larger than the sum of its proper divisors (22954890072634).

28693612590770 is a wasteful number, since it uses less digits than its factorization.

28693612590770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869361259084.

The product of its (nonzero) digits is 68584320, while the sum is 65.

The spelling of 28693612590770 in words is "twenty-eight trillion, six hundred ninety-three billion, six hundred twelve million, five hundred ninety thousand, seven hundred seventy".