1087923673 has 2 divisors, whose sum is σ = 1087923674. Its totient is φ = 1087923672.

The previous prime is 1087923631. The next prime is 1087923701. The reversal of 1087923673 is 3763297801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1080239689 + 7683984 = 32867^2 + 2772^2 .

It is an emirp because it is prime and its reverse (3763297801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1087923673 - 2¹³ = 1087915481 is a prime.

It is not a weakly prime, because it can be changed into another prime (1087923073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543961836 + 543961837.

It is an arithmetic number, because the mean of its divisors is an integer number (543961837).

Almost surely, 2^1087923673 is an apocalyptic number.

It is an amenable number.

1087923673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087923673 is an equidigital number, since it uses as much as digits as its factorization.

1087923673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 1087923673 is about 32983.6879836079. The cubic root of 1087923673 is about 1028.4885844496.

The spelling of 1087923673 in words is "one billion, eighty-seven million, nine hundred twenty-three thousand, six hundred seventy-three".