28590877 has 16 divisors (see below), whose sum is σ = 34583040. Its totient is φ = 23089968.

The previous prime is 28590871. The next prime is 28590893. The reversal of 28590877 is 77809582.

It is a cyclic number.

It is not a de Polignac number, because 28590877 - 2¹¹ = 28588829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28590871) 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, 29718 + ... + 30664.

It is an arithmetic number, because the mean of its divisors is an integer number (2161440).

Almost surely, 2^28590877 is an apocalyptic number.

It is an amenable number.

28590877 is a deficient number, since it is larger than the sum of its proper divisors (5992163).

28590877 is a wasteful number, since it uses less digits than its factorization.

28590877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200.

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 28590877 is about 5347.0437626786. The cubic root of 28590877 is about 305.7800582503.

The spelling of 28590877 in words is "twenty-eight million, five hundred ninety thousand, eight hundred seventy-seven".