1088780873 has 4 divisors (see below), whose sum is σ = 1088893440. Its totient is φ = 1088668308.

The previous prime is 1088780851. The next prime is 1088780879. The reversal of 1088780873 is 3780878801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1088780873 - 2⁶ = 1088780809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1088780879) 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, 40253 + ... + 61626.

It is an arithmetic number, because the mean of its divisors is an integer number (272223360).

Almost surely, 2^1088780873 is an apocalyptic number.

It is an amenable number.

1088780873 is a deficient number, since it is larger than the sum of its proper divisors (112567).

1088780873 is a wasteful number, since it uses less digits than its factorization.

1088780873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112566.

The product of its (nonzero) digits is 602112, while the sum is 50.

The square root of 1088780873 is about 32996.6797269059. The cubic root of 1088780873 is about 1028.7586367790.

The spelling of 1088780873 in words is "one billion, eighty-eight million, seven hundred eighty thousand, eight hundred seventy-three".