28463732551 has 8 divisors (see below), whose sum is σ = 30395088000. Its totient is φ = 26595700320.

The previous prime is 28463732537. The next prime is 28463732573. The reversal of 28463732551 is 15523736482.

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 28463732551 - 2¹⁵ = 28463699783 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 (28463732251) 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, 15829876 + ... + 15831673.

It is an arithmetic number, because the mean of its divisors is an integer number (3799386000).

Almost surely, 2^28463732551 is an apocalyptic number.

28463732551 is a deficient number, since it is larger than the sum of its proper divisors (1931355449).

28463732551 is a wasteful number, since it uses less digits than its factorization.

28463732551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31661609.

The product of its digits is 1209600, while the sum is 46.

The spelling of 28463732551 in words is "twenty-eight billion, four hundred sixty-three million, seven hundred thirty-two thousand, five hundred fifty-one".