1086764431 has 4 divisors (see below), whose sum is σ = 1090604872. Its totient is φ = 1082923992.

The previous prime is 1086764387. The next prime is 1086764449. The reversal of 1086764431 is 1344676801.

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 1086764431 - 2²⁵ = 1053209999 is a prime.

It is a super-2 number, since 2×1086764431² = 2362113856973507522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086764461) 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, 1919796 + ... + 1920361.

It is an arithmetic number, because the mean of its divisors is an integer number (272651218).

Almost surely, 2^1086764431 is an apocalyptic number.

1086764431 is a deficient number, since it is larger than the sum of its proper divisors (3840441).

1086764431 is an equidigital number, since it uses as much as digits as its factorization.

1086764431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3840440.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 1086764431 is about 32966.1103407727. The cubic root of 1086764431 is about 1028.1231510651.

The spelling of 1086764431 in words is "one billion, eighty-six million, seven hundred sixty-four thousand, four hundred thirty-one".