88403563 has 4 divisors (see below), whose sum is σ = 88626640. Its totient is φ = 88180488.

The previous prime is 88403543. The next prime is 88403573. The reversal of 88403563 is 36530488.

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 88403563 - 2⁵ = 88403531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88403543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110943 + ... + 111736.

It is an arithmetic number, because the mean of its divisors is an integer number (22156660).

Almost surely, 2^88403563 is an apocalyptic number.

88403563 is a deficient number, since it is larger than the sum of its proper divisors (223077).

88403563 is a wasteful number, since it uses less digits than its factorization.

88403563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223076.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 88403563 is about 9402.3168953189. The cubic root of 88403563 is about 445.4749177928.

It can be divided in two parts, 8840 and 3563, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 88403563 in words is "eighty-eight million, four hundred three thousand, five hundred sixty-three".