28831023702 has 24 divisors (see below), whose sum is σ = 67272389184. Its totient is φ = 8871084144.

The previous prime is 28831023677. The next prime is 28831023703. The reversal of 28831023702 is 20732013882.

It is a happy number.

28831023702 is a `hidden beast` number, since 288 + 3 + 1 + 0 + 2 + 370 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28831023703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61604518 + ... + 61604985.

It is an arithmetic number, because the mean of its divisors is an integer number (2803016216).

Almost surely, 2^28831023702 is an apocalyptic number.

28831023702 is an abundant number, since it is smaller than the sum of its proper divisors (38441365482).

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

28831023702 is a wasteful number, since it uses less digits than its factorization.

28831023702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123209524 (or 123209521 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 28831023702 in words is "twenty-eight billion, eight hundred thirty-one million, twenty-three thousand, seven hundred two".