1088779903 has 4 divisors (see below), whose sum is σ = 1089438640. Its totient is φ = 1088121168.

The previous prime is 1088779897. The next prime is 1088779981. The reversal of 1088779903 is 3099778801.

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 1088779903 - 2¹⁷ = 1088648831 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 (1088776903) 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, 326883 + ... + 330196.

It is an arithmetic number, because the mean of its divisors is an integer number (272359660).

Almost surely, 2^1088779903 is an apocalyptic number.

1088779903 is a deficient number, since it is larger than the sum of its proper divisors (658737).

1088779903 is an equidigital number, since it uses as much as digits as its factorization.

1088779903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658736.

The product of its (nonzero) digits is 762048, while the sum is 52.

The square root of 1088779903 is about 32996.6650284540. The cubic root of 1088779903 is about 1028.7583312703.

The spelling of 1088779903 in words is "one billion, eighty-eight million, seven hundred seventy-nine thousand, nine hundred three".