28700763 has 24 divisors (see below), whose sum is σ = 47363328. Its totient is φ = 15136992.

The previous prime is 28700759. The next prime is 28700783. The reversal of 28700763 is 36700782.

It is not a de Polignac number, because 28700763 - 2² = 28700759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28700783) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 495 + ... + 7592.

It is an arithmetic number, because the mean of its divisors is an integer number (1973472).

Almost surely, 2^28700763 is an apocalyptic number.

28700763 is a deficient number, since it is larger than the sum of its proper divisors (18662565).

28700763 is a wasteful number, since it uses less digits than its factorization.

28700763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8123 (or 8110 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 28700763 is about 5357.3093059856. The cubic root of 28700763 is about 306.1713018386.

The spelling of 28700763 in words is "twenty-eight million, seven hundred thousand, seven hundred sixty-three".