28434280692 has 24 divisors (see below), whose sum is σ = 66730166496. Its totient is φ = 9423306208.

The previous prime is 28434280661. The next prime is 28434280711. The reversal of 28434280692 is 29608243482.

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, 6846258 + ... + 6850409.

It is an arithmetic number, because the mean of its divisors is an integer number (2780423604).

Almost surely, 2^28434280692 is an apocalyptic number.

It is an amenable number.

28434280692 is an abundant number, since it is smaller than the sum of its proper divisors (38295885804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28434280692 is a wasteful number, since it uses less digits than its factorization.

28434280692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13696847 (or 13696845 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 48.

The spelling of 28434280692 in words is "twenty-eight billion, four hundred thirty-four million, two hundred eighty thousand, six hundred ninety-two".