28307468761 has 16 divisors (see below), whose sum is σ = 34029737280. Its totient is φ = 23202083520.

The previous prime is 28307468759. The next prime is 28307468789. The reversal of 28307468761 is 16786470382.

It is not a de Polignac number, because 28307468761 - 2¹ = 28307468759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28307468699 and 28307468708.

It is not an unprimeable number, because it can be changed into a prime (28307468741) 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, 2295646 + ... + 2307943.

It is an arithmetic number, because the mean of its divisors is an integer number (2126858580).

Almost surely, 2^28307468761 is an apocalyptic number.

It is an amenable number.

28307468761 is a deficient number, since it is larger than the sum of its proper divisors (5722268519).

28307468761 is a wasteful number, since it uses less digits than its factorization.

28307468761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4603656.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 28307468761 in words is "twenty-eight billion, three hundred seven million, four hundred sixty-eight thousand, seven hundred sixty-one".