1087801801 has 4 divisors (see below), whose sum is σ = 1088311552. Its totient is φ = 1087292052.

The previous prime is 1087801789. The next prime is 1087801807. The reversal of 1087801801 is 1081087801.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1081087801 = 563 ⋅1920227.

It is a cyclic number.

It is not a de Polignac number, because 1087801801 - 2⁵ = 1087801769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1087801807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251661 + ... + 255946.

It is an arithmetic number, because the mean of its divisors is an integer number (272077888).

Almost surely, 2^1087801801 is an apocalyptic number.

It is an amenable number.

1087801801 is a deficient number, since it is larger than the sum of its proper divisors (509751).

1087801801 is an equidigital number, since it uses as much as digits as its factorization.

1087801801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509750.

The product of its (nonzero) digits is 3584, while the sum is 34.

The square root of 1087801801 is about 32981.8404732059. The cubic root of 1087801801 is about 1028.4501783725.

The spelling of 1087801801 in words is "one billion, eighty-seven million, eight hundred one thousand, eight hundred one".