28331877354 has 16 divisors (see below), whose sum is σ = 61815005280. Its totient is φ = 8585417360.

The previous prime is 28331877317. The next prime is 28331877373. The reversal of 28331877354 is 45377813382.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28331877297 and 28331877306.

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, 214635369 + ... + 214635500.

It is an arithmetic number, because the mean of its divisors is an integer number (3863437830).

Almost surely, 2^28331877354 is an apocalyptic number.

28331877354 is an abundant number, since it is smaller than the sum of its proper divisors (33483127926).

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

28331877354 is a wasteful number, since it uses less digits than its factorization.

28331877354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429270885.

The product of its digits is 3386880, while the sum is 51.

The spelling of 28331877354 in words is "twenty-eight billion, three hundred thirty-one million, eight hundred seventy-seven thousand, three hundred fifty-four".