28341820377 has 40 divisors (see below), whose sum is σ = 45635709504. Its totient is φ = 17425370592.

The previous prime is 28341820327. The next prime is 28341820387. The reversal of 28341820377 is 77302814382.

28341820377 is a `hidden beast` number, since 28 + 3 + 418 + 203 + 7 + 7 = 666.

It is not a de Polignac number, because 28341820377 - 2⁶ = 28341820313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28341820327) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1213068 + ... + 1236210.

Almost surely, 2^28341820377 is an apocalyptic number.

28341820377 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

28341820377 is a deficient number, since it is larger than the sum of its proper divisors (17293889127).

28341820377 is a wasteful number, since it uses less digits than its factorization.

28341820377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24331 (or 24322 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 28341820377 in words is "twenty-eight billion, three hundred forty-one million, eight hundred twenty thousand, three hundred seventy-seven".