1087790083 has 4 divisors (see below), whose sum is σ = 1135085328. Its totient is φ = 1040494840.

The previous prime is 1087790063. The next prime is 1087790111. The reversal of 1087790083 is 3800977801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3800977801 = 269 ⋅14130029.

It is a cyclic number.

It is not a de Polignac number, because 1087790083 - 2⁵ = 1087790051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1087790063) 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, 23647588 + ... + 23647633.

It is an arithmetic number, because the mean of its divisors is an integer number (283771332).

Almost surely, 2^1087790083 is an apocalyptic number.

1087790083 is a deficient number, since it is larger than the sum of its proper divisors (47295245).

1087790083 is an equidigital number, since it uses as much as digits as its factorization.

1087790083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47295244.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 1087790083 is about 32981.6628295179. The cubic root of 1087790083 is about 1028.4464854747.

The spelling of 1087790083 in words is "one billion, eighty-seven million, seven hundred ninety thousand, eighty-three".