28012677 has 16 divisors (see below), whose sum is σ = 46566912. Its totient is φ = 14551920.

The previous prime is 28012667. The next prime is 28012681. The reversal of 28012677 is 77621082.

It is not a de Polignac number, because 28012677 - 2⁶ = 28012613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28012627) 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, 60403 + ... + 60864.

It is an arithmetic number, because the mean of its divisors is an integer number (2910432).

Almost surely, 2^28012677 is an apocalyptic number.

It is an amenable number.

28012677 is a deficient number, since it is larger than the sum of its proper divisors (18554235).

28012677 is a wasteful number, since it uses less digits than its factorization.

28012677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121288.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 28012677 is about 5292.7003504827. The cubic root of 28012677 is about 303.7047174618.

The spelling of 28012677 in words is "twenty-eight million, twelve thousand, six hundred seventy-seven".