1087769748 has 48 divisors (see below), whose sum is σ = 2764117440. Its totient is φ = 330933504.

The previous prime is 1087769731. The next prime is 1087769821. The reversal of 1087769748 is 8479677801.

It is a happy number.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25290 + ... + 53057.

It is an arithmetic number, because the mean of its divisors is an integer number (57585780).

Almost surely, 2^1087769748 is an apocalyptic number.

It is an amenable number.

1087769748 is an abundant number, since it is smaller than the sum of its proper divisors (1676347692).

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

1087769748 is a wasteful number, since it uses less digits than its factorization.

1087769748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78456 (or 78454 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 57.

The square root of 1087769748 is about 32981.3545507155. The cubic root of 1087769748 is about 1028.4400768885.

The spelling of 1087769748 in words is "one billion, eighty-seven million, seven hundred sixty-nine thousand, seven hundred forty-eight".