1087709436 has 72 divisors (see below), whose sum is σ = 3175898544. Its totient is φ = 310218240.

The previous prime is 1087709383. The next prime is 1087709437. The reversal of 1087709436 is 6349077801.

It is a super-2 number, since 2×1087709436² = 2366223634326876192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1087709391 and 1087709400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087709437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74055 + ... + 87518.

It is an arithmetic number, because the mean of its divisors is an integer number (44109702).

Almost surely, 2^1087709436 is an apocalyptic number.

It is an amenable number.

1087709436 is an abundant number, since it is smaller than the sum of its proper divisors (2088189108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1087709436 is a wasteful number, since it uses less digits than its factorization.

1087709436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161611 (or 161606 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 1087709436 is about 32980.4402032477. The cubic root of 1087709436 is about 1028.4210690594.

The spelling of 1087709436 in words is "one billion, eighty-seven million, seven hundred nine thousand, four hundred thirty-six".