28258065692 has 6 divisors (see below), whose sum is σ = 49451614968. Its totient is φ = 14129032844.

The previous prime is 28258065679. The next prime is 28258065697. The reversal of 28258065692 is 29656085282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28258065697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3532258208 + ... + 3532258215.

It is an arithmetic number, because the mean of its divisors is an integer number (8241935828).

Almost surely, 2^28258065692 is an apocalyptic number.

It is an amenable number.

28258065692 is a deficient number, since it is larger than the sum of its proper divisors (21193549276).

28258065692 is a wasteful number, since it uses less digits than its factorization.

28258065692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7064516427 (or 7064516425 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 53.

The spelling of 28258065692 in words is "twenty-eight billion, two hundred fifty-eight million, sixty-five thousand, six hundred ninety-two".