1086922987 has 24 divisors (see below), whose sum is σ = 1212494400. Its totient is φ = 973055664.

The previous prime is 1086922973. The next prime is 1086923003. The reversal of 1086922987 is 7892296801.

It is not a de Polignac number, because 1086922987 - 2¹⁵ = 1086890219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1086926987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23125998 + ... + 23126044.

It is an arithmetic number, because the mean of its divisors is an integer number (50520600).

Almost surely, 2^1086922987 is an apocalyptic number.

1086922987 is a deficient number, since it is larger than the sum of its proper divisors (125571413).

1086922987 is an frugal number, since it uses more digits than its factorization.

1086922987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 1086922987 is about 32968.5150863669. The cubic root of 1086922987 is about 1028.1731487655.

It can be divided in two parts, 10869 and 22987, that added together give a square (33856 = 184²).

The spelling of 1086922987 in words is "one billion, eighty-six million, nine hundred twenty-two thousand, nine hundred eighty-seven".