1086747887 has 4 divisors (see below), whose sum is σ = 1090976736. Its totient is φ = 1082519040.

The previous prime is 1086747863. The next prime is 1086747919. The reversal of 1086747887 is 7887476801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7887476801 = 53 ⋅148820317.

It is a cyclic number.

It is not a de Polignac number, because 1086747887 - 2¹⁰ = 1086746863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086747847) 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, 2114039 + ... + 2114552.

It is an arithmetic number, because the mean of its divisors is an integer number (272744184).

Almost surely, 2^1086747887 is an apocalyptic number.

1086747887 is a deficient number, since it is larger than the sum of its proper divisors (4228849).

1086747887 is an equidigital number, since it uses as much as digits as its factorization.

1086747887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4228848.

The product of its (nonzero) digits is 4214784, while the sum is 56.

The square root of 1086747887 is about 32965.8594154619. The cubic root of 1086747887 is about 1028.1179339407.

The spelling of 1086747887 in words is "one billion, eighty-six million, seven hundred forty-seven thousand, eight hundred eighty-seven".