2662787887764 has 48 divisors (see below), whose sum is σ = 6218162704320. Its totient is φ = 886883235840.

The previous prime is 2662787887751. The next prime is 2662787887789. The reversal of 2662787887764 is 4677887872662.

It is a self number, because there is not a number n which added to its sum of digits gives 2662787887764.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97420852 + ... + 97448180.

It is an arithmetic number, because the mean of its divisors is an integer number (129545056340).

Almost surely, 2^{2662787887764} is an apocalyptic number.

It is an amenable number.

2662787887764 is an abundant number, since it is smaller than the sum of its proper divisors (3555374816556).

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

2662787887764 is a wasteful number, since it uses less digits than its factorization.

2662787887764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33560 (or 33558 counting only the distinct ones).

The product of its digits is 4248502272, while the sum is 78.

The spelling of 2662787887764 in words is "two trillion, six hundred sixty-two billion, seven hundred eighty-seven million, eight hundred eighty-seven thousand, seven hundred sixty-four".