1087662878040 has 64 divisors (see below), whose sum is σ = 3307687135200. Its totient is φ = 286070234112.

The previous prime is 1087662878023. The next prime is 1087662878047. The reversal of 1087662878040 is 408782667801.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087662878047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62072455 + ... + 62089974.

Almost surely, 2^{1087662878040} is an apocalyptic number.

1087662878040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1087662878040 is an abundant number, since it is smaller than the sum of its proper divisors (2220024257160).

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

1087662878040 is a wasteful number, since it uses less digits than its factorization.

1087662878040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124162516 (or 124162512 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 57.

The spelling of 1087662878040 in words is "one trillion, eighty-seven billion, six hundred sixty-two million, eight hundred seventy-eight thousand, forty".