1087047047 has 4 divisors (see below), whose sum is σ = 1088770416. Its totient is φ = 1085323680.

The previous prime is 1087047029. The next prime is 1087047077. The reversal of 1087047047 is 7407407801.

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

It is a cyclic number.

It is not a de Polignac number, because 1087047047 - 2³⁰ = 13305223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1087047047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087047007) 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, 860738 + ... + 861999.

It is an arithmetic number, because the mean of its divisors is an integer number (272192604).

Almost surely, 2^1087047047 is an apocalyptic number.

1087047047 is a deficient number, since it is larger than the sum of its proper divisors (1723369).

1087047047 is an equidigital number, since it uses as much as digits as its factorization.

1087047047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723368.

The product of its (nonzero) digits is 43904, while the sum is 38.

The square root of 1087047047 is about 32970.3965247614. The cubic root of 1087047047 is about 1028.2122654001.

The spelling of 1087047047 in words is "one billion, eighty-seven million, forty-seven thousand, forty-seven".