1090083977 has 4 divisors (see below), whose sum is σ = 1090542660. Its totient is φ = 1089625296.

The previous prime is 1090083971. The next prime is 1090083989. The reversal of 1090083977 is 7793800901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 719097856 + 370986121 = 26816^2 + 19261^2 .

It is a cyclic number.

It is not a de Polignac number, because 1090083977 - 2²⁰ = 1089035401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1090083971) 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, 225758 + ... + 230535.

It is an arithmetic number, because the mean of its divisors is an integer number (272635665).

Almost surely, 2^1090083977 is an apocalyptic number.

It is an amenable number.

1090083977 is a deficient number, since it is larger than the sum of its proper divisors (458683).

1090083977 is an equidigital number, since it uses as much as digits as its factorization.

1090083977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458682.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 1090083977 is about 33016.4198089375. The cubic root of 1090083977 is about 1029.1688953414.

The spelling of 1090083977 in words is "one billion, ninety million, eighty-three thousand, nine hundred seventy-seven".