28362315478 has 16 divisors (see below), whose sum is σ = 49167419040. Its totient is φ = 12018701376.

The previous prime is 28362315419. The next prime is 28362315481. The reversal of 28362315478 is 87451326382.

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, 11380101 + ... + 11382592.

It is an arithmetic number, because the mean of its divisors is an integer number (3072963690).

Almost surely, 2^28362315478 is an apocalyptic number.

28362315478 is a deficient number, since it is larger than the sum of its proper divisors (20805103562).

28362315478 is a wasteful number, since it uses less digits than its factorization.

28362315478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22762791.

The product of its digits is 1935360, while the sum is 49.

The spelling of 28362315478 in words is "twenty-eight billion, three hundred sixty-two million, three hundred fifteen thousand, four hundred seventy-eight".