28586801477 has 8 divisors (see below), whose sum is σ = 30787330560. Its totient is φ = 26386493040.

The previous prime is 28586801447. The next prime is 28586801479. The reversal of 28586801477 is 77410868582.

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

It is a cyclic number.

It is not a de Polignac number, because 28586801477 - 2⁶ = 28586801413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28586801479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297452 + ... + 381642.

It is an arithmetic number, because the mean of its divisors is an integer number (3848416320).

Almost surely, 2^28586801477 is an apocalyptic number.

It is an amenable number.

28586801477 is a deficient number, since it is larger than the sum of its proper divisors (2200529083).

28586801477 is a wasteful number, since it uses less digits than its factorization.

28586801477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110323.

The product of its (nonzero) digits is 6021120, while the sum is 56.

The spelling of 28586801477 in words is "twenty-eight billion, five hundred eighty-six million, eight hundred one thousand, four hundred seventy-seven".