28341645764 has 24 divisors (see below), whose sum is σ = 51817485888. Its totient is φ = 13538154080.

The previous prime is 28341645737. The next prime is 28341645767. The reversal of 28341645764 is 46754614382.

It is a super-2 number, since 2×28341645764² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28341645767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112082 + ... + 263145.

It is an arithmetic number, because the mean of its divisors is an integer number (2159061912).

Almost surely, 2^28341645764 is an apocalyptic number.

It is an amenable number.

28341645764 is a deficient number, since it is larger than the sum of its proper divisors (23475840124).

28341645764 is a wasteful number, since it uses less digits than its factorization.

28341645764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376075 (or 376073 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 50.

The spelling of 28341645764 in words is "twenty-eight billion, three hundred forty-one million, six hundred forty-five thousand, seven hundred sixty-four".