2187886506792 has 32 divisors (see below), whose sum is σ = 6251104305600. Its totient is φ = 625110430464.

The previous prime is 2187886506731. The next prime is 2187886506893. The reversal of 2187886506792 is 2976056887812.

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, 6511566817 + ... + 6511567152.

It is an arithmetic number, because the mean of its divisors is an integer number (195347009550).

Almost surely, 2^{2187886506792} is an apocalyptic number.

It is an amenable number.

2187886506792 is an abundant number, since it is smaller than the sum of its proper divisors (4063217798808).

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

2187886506792 is a wasteful number, since it uses less digits than its factorization.

2187886506792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13023133985 (or 13023133981 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 69.

The spelling of 2187886506792 in words is "two trillion, one hundred eighty-seven billion, eight hundred eighty-six million, five hundred six thousand, seven hundred ninety-two".