28550679 has 16 divisors (see below), whose sum is σ = 38822400. Its totient is φ = 18660096.

The previous prime is 28550677. The next prime is 28550699. The reversal of 28550679 is 97605582.

It is not a de Polignac number, because 28550679 - 2¹ = 28550677 is a prime.

It is a super-2 number, since 2×28550679² = 1630282542722082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28550679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28550677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42087 + ... + 42759.

It is an arithmetic number, because the mean of its divisors is an integer number (2426400).

Almost surely, 2^28550679 is an apocalyptic number.

28550679 is a deficient number, since it is larger than the sum of its proper divisors (10271721).

28550679 is a wasteful number, since it uses less digits than its factorization.

28550679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 28550679 is about 5343.2835410448. The cubic root of 28550679 is about 305.6366848716.

The spelling of 28550679 in words is "twenty-eight million, five hundred fifty thousand, six hundred seventy-nine".