1087923047 has 2 divisors, whose sum is σ = 1087923048. Its totient is φ = 1087923046.

The previous prime is 1087923013. The next prime is 1087923049. The reversal of 1087923047 is 7403297801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1087923047 - 2¹⁰ = 1087922023 is a prime.

Together with 1087923049, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1087922995 and 1087923013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1087923049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543961523 + 543961524.

It is an arithmetic number, because the mean of its divisors is an integer number (543961524).

Almost surely, 2^1087923047 is an apocalyptic number.

1087923047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087923047 is an equidigital number, since it uses as much as digits as its factorization.

1087923047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 1087923047 is about 32983.6784940673. The cubic root of 1087923047 is about 1028.4883871827.

The spelling of 1087923047 in words is "one billion, eighty-seven million, nine hundred twenty-three thousand, forty-seven".