28258765076 has 24 divisors (see below), whose sum is σ = 49764274560. Its totient is φ = 14040576032.

The previous prime is 28258765061. The next prime is 28258765081. The reversal of 28258765076 is 67056785282.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639761 + ... + 682503.

It is an arithmetic number, because the mean of its divisors is an integer number (2073511440).

Almost surely, 2^28258765076 is an apocalyptic number.

It is an amenable number.

28258765076 is a deficient number, since it is larger than the sum of its proper divisors (21505509484).

28258765076 is a wasteful number, since it uses less digits than its factorization.

28258765076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43783 (or 43781 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 56.

The spelling of 28258765076 in words is "twenty-eight billion, two hundred fifty-eight million, seven hundred sixty-five thousand, seventy-six".