28494570854 has 8 divisors (see below), whose sum is σ = 42806716920. Its totient is φ = 14225665216.

The previous prime is 28494570847. The next prime is 28494570931. The reversal of 28494570854 is 45807549482.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28494570854.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10808459 + ... + 10811094.

It is an arithmetic number, because the mean of its divisors is an integer number (5350839615).

Almost surely, 2^28494570854 is an apocalyptic number.

28494570854 is a deficient number, since it is larger than the sum of its proper divisors (14312146066).

28494570854 is a wasteful number, since it uses less digits than its factorization.

28494570854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21620214.

The product of its (nonzero) digits is 12902400, while the sum is 56.

The spelling of 28494570854 in words is "twenty-eight billion, four hundred ninety-four million, five hundred seventy thousand, eight hundred fifty-four".