1087863602049 has 27 divisors (see below), whose sum is σ = 1827943672737. Its totient is φ = 621623827944.

The previous prime is 1087863602041. The next prime is 1087863602051. The reversal of 1087863602049 is 9402063687801.

The square root of 1087863602049 is 1043007.

It is a perfect power (a square), and thus also a powerful number.

1087863602049 is a `hidden beast` number, since 1 + 0 + 8 + 78 + 6 + 360 + 204 + 9 = 666.

It is not a de Polignac number, because 1087863602049 - 2³ = 1087863602041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1087863601986 and 1087863602004.

It is not an unprimeable number, because it can be changed into a prime (1087863602041) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 21878314 + ... + 21927980.

Almost surely, 2^{1087863602049} is an apocalyptic number.

1087863602049 is the 1043007-th square number.

1087863602049 is the 521504-th centered octagonal number.

It is an amenable number.

1087863602049 is a deficient number, since it is larger than the sum of its proper divisors (740080070688).

1087863602049 is an frugal number, since it uses more digits than its factorization.

1087863602049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99354 (or 49677 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 1087863602049 in words is "one trillion, eighty-seven billion, eight hundred sixty-three million, six hundred two thousand, forty-nine".