28603827065 has 24 divisors (see below), whose sum is σ = 39369081024. Its totient is φ = 19898304800.

The previous prime is 28603827047. The next prime is 28603827073. The reversal of 28603827065 is 56072830682.

It is a happy number.

It is not a de Polignac number, because 28603827065 - 2¹⁴ = 28603810681 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1013891 + ... + 1041720.

It is an arithmetic number, because the mean of its divisors is an integer number (1640378376).

Almost surely, 2^28603827065 is an apocalyptic number.

It is an amenable number.

28603827065 is a deficient number, since it is larger than the sum of its proper divisors (10765253959).

28603827065 is a wasteful number, since it uses less digits than its factorization.

28603827065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055661 (or 2055650 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 28603827065 in words is "twenty-eight billion, six hundred three million, eight hundred twenty-seven thousand, sixty-five".