2187557040886 has 16 divisors (see below), whose sum is σ = 3757553259264. Its totient is φ = 935660577384.

The previous prime is 2187557040863. The next prime is 2187557040901. The reversal of 2187557040886 is 6880407557812.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155315100 + ... + 155329183.

It is an arithmetic number, because the mean of its divisors is an integer number (234847078704).

Almost surely, 2^{2187557040886} is an apocalyptic number.

2187557040886 is a deficient number, since it is larger than the sum of its proper divisors (1569996218378).

2187557040886 is a wasteful number, since it uses less digits than its factorization.

2187557040886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310644795.

The product of its (nonzero) digits is 30105600, while the sum is 61.

The spelling of 2187557040886 in words is "two trillion, one hundred eighty-seven billion, five hundred fifty-seven million, forty thousand, eight hundred eighty-six".