28397623614 has 16 divisors (see below), whose sum is σ = 56797113360. Its totient is φ = 9465563520.

The previous prime is 28397623591. The next prime is 28397623619. The reversal of 28397623614 is 41632679382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28397623619) 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, 192132 + ... + 306120.

It is an arithmetic number, because the mean of its divisors is an integer number (3549819585).

Almost surely, 2^28397623614 is an apocalyptic number.

28397623614 is an abundant number, since it is smaller than the sum of its proper divisors (28399489746).

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

28397623614 is a wasteful number, since it uses less digits than its factorization.

28397623614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155515.

The product of its digits is 2612736, while the sum is 51.

The spelling of 28397623614 in words is "twenty-eight billion, three hundred ninety-seven million, six hundred twenty-three thousand, six hundred fourteen".