28461679154 has 8 divisors (see below), whose sum is σ = 42693294108. Its totient is φ = 14230581120.

The previous prime is 28461679133. The next prime is 28461679163. The reversal of 28461679154 is 45197616482.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22817613025 + 5644066129 = 151055^2 + 75127^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28461679096 and 28461679105.

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, 69614 + ... + 248534.

Almost surely, 2^28461679154 is an apocalyptic number.

28461679154 is a deficient number, since it is larger than the sum of its proper divisors (14231614954).

28461679154 is a wasteful number, since it uses less digits than its factorization.

28461679154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258460.

The product of its digits is 2903040, while the sum is 53.

The spelling of 28461679154 in words is "twenty-eight billion, four hundred sixty-one million, six hundred seventy-nine thousand, one hundred fifty-four".