28355554703063 has 32 divisors (see below), whose sum is σ = 34030576776192. Its totient is φ = 23100108768000.

The previous prime is 28355554703059. The next prime is 28355554703081. The reversal of 28355554703063 is 36030745555382.

It is a cyclic number.

It is not a de Polignac number, because 28355554703063 - 2² = 28355554703059 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 (28355554703033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116423513 + ... + 116666813.

It is an arithmetic number, because the mean of its divisors is an integer number (1063455524256).

Almost surely, 2^{28355554703063} is an apocalyptic number.

28355554703063 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

28355554703063 is a deficient number, since it is larger than the sum of its proper divisors (5675022073129).

28355554703063 is a wasteful number, since it uses less digits than its factorization.

28355554703063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247935.

The product of its (nonzero) digits is 45360000, while the sum is 56.

The spelling of 28355554703063 in words is "twenty-eight trillion, three hundred fifty-five billion, five hundred fifty-four million, seven hundred three thousand, sixty-three".