28936990711 has 8 divisors (see below), whose sum is σ = 29210350400. Its totient is φ = 28663774560.

The previous prime is 28936990681. The next prime is 28936990723. The reversal of 28936990711 is 11709963982.

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 28936990711 - 2¹⁷ = 28936859639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28936990781) 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, 393301 + ... + 461041.

It is an arithmetic number, because the mean of its divisors is an integer number (3651293800).

Almost surely, 2^28936990711 is an apocalyptic number.

28936990711 is a deficient number, since it is larger than the sum of its proper divisors (273359689).

28936990711 is a wasteful number, since it uses less digits than its factorization.

28936990711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71769.

The product of its (nonzero) digits is 1469664, while the sum is 55.

The spelling of 28936990711 in words is "twenty-eight billion, nine hundred thirty-six million, nine hundred ninety thousand, seven hundred eleven".