28348171654 has 8 divisors (see below), whose sum is σ = 46387917288. Its totient is φ = 12885532560.

The previous prime is 28348171651. The next prime is 28348171693. The reversal of 28348171654 is 45617184382.

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

It is a super-2 number, since 2×28348171654² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28348171598 and 28348171607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28348171651) 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, 644276607 + ... + 644276650.

It is an arithmetic number, because the mean of its divisors is an integer number (5798489661).

Almost surely, 2^28348171654 is an apocalyptic number.

28348171654 is a deficient number, since it is larger than the sum of its proper divisors (18039745634).

28348171654 is a wasteful number, since it uses less digits than its factorization.

28348171654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288553270.

The product of its digits is 1290240, while the sum is 49.

It can be divided in two parts, 28348 and 171654, that added together give a palindrome (200002).

The spelling of 28348171654 in words is "twenty-eight billion, three hundred forty-eight million, one hundred seventy-one thousand, six hundred fifty-four".