28877297363 has 4 divisors (see below), whose sum is σ = 28883223360. Its totient is φ = 28871371368.

The previous prime is 28877297359. The next prime is 28877297411. The reversal of 28877297363 is 36379277882.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28877297363 - 2² = 28877297359 is a prime.

It is a super-2 number, since 2×28877297363² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28877297296 and 28877297305.

It is not an unprimeable number, because it can be changed into a prime (28877297063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2955683 + ... + 2965436.

It is an arithmetic number, because the mean of its divisors is an integer number (7220805840).

Almost surely, 2^28877297363 is an apocalyptic number.

28877297363 is a deficient number, since it is larger than the sum of its proper divisors (5925997).

28877297363 is an equidigital number, since it uses as much as digits as its factorization.

28877297363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5925996.

The product of its digits is 42674688, while the sum is 62.

The spelling of 28877297363 in words is "twenty-eight billion, eight hundred seventy-seven million, two hundred ninety-seven thousand, three hundred sixty-three".