28347201654 has 32 divisors (see below), whose sum is σ = 57562565760. Its totient is φ = 9304481472.

The previous prime is 28347201643. The next prime is 28347201671. The reversal of 28347201654 is 45610274382.

It is a super-2 number, since 2×28347201654² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1169482 + ... + 1193474.

It is an arithmetic number, because the mean of its divisors is an integer number (1798830180).

Almost surely, 2^28347201654 is an apocalyptic number.

28347201654 is an abundant number, since it is smaller than the sum of its proper divisors (29215364106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28347201654 is a wasteful number, since it uses less digits than its factorization.

28347201654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27004.

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 28347201654 in words is "twenty-eight billion, three hundred forty-seven million, two hundred one thousand, six hundred fifty-four".