28874365402 has 8 divisors (see below), whose sum is σ = 44708694912. Its totient is φ = 13971467100.

The previous prime is 28874365381. The next prime is 28874365409. The reversal of 28874365402 is 20456347882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28874365409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232857724 + ... + 232857847.

It is an arithmetic number, because the mean of its divisors is an integer number (5588586864).

Almost surely, 2^28874365402 is an apocalyptic number.

28874365402 is a deficient number, since it is larger than the sum of its proper divisors (15834329510).

28874365402 is a wasteful number, since it uses less digits than its factorization.

28874365402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465715604.

The product of its (nonzero) digits is 2580480, while the sum is 49.

The spelling of 28874365402 in words is "twenty-eight billion, eight hundred seventy-four million, three hundred sixty-five thousand, four hundred two".