1087621276257 has 8 divisors (see below), whose sum is σ = 1611290779680. Its totient is φ = 725080850820.

The previous prime is 1087621276249. The next prime is 1087621276267. The reversal of 1087621276257 is 7526721267801.

1087621276257 is a `hidden beast` number, since 1 + 0 + 8 + 7 + 6 + 2 + 1 + 2 + 7 + 625 + 7 = 666.

It is not a de Polignac number, because 1087621276257 - 2³ = 1087621276249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1087621276237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20141134719 + ... + 20141134772.

It is an arithmetic number, because the mean of its divisors is an integer number (201411347460).

Almost surely, 2^{1087621276257} is an apocalyptic number.

It is an amenable number.

1087621276257 is a deficient number, since it is larger than the sum of its proper divisors (523669503423).

1087621276257 is an equidigital number, since it uses as much as digits as its factorization.

1087621276257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40282269500 (or 40282269494 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 54.

The spelling of 1087621276257 in words is "one trillion, eighty-seven billion, six hundred twenty-one million, two hundred seventy-six thousand, two hundred fifty-seven".