2687706890238 has 32 divisors (see below), whose sum is σ = 5454235153152. Its totient is φ = 882788760000.

The previous prime is 2687706890207. The next prime is 2687706890257. The reversal of 2687706890238 is 8320986077862.

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, 2458938 + ... + 3379613.

It is an arithmetic number, because the mean of its divisors is an integer number (170444848536).

Almost surely, 2^{2687706890238} is an apocalyptic number.

2687706890238 is an abundant number, since it is smaller than the sum of its proper divisors (2766528262914).

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

2687706890238 is a wasteful number, since it uses less digits than its factorization.

2687706890238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5839680.

The product of its (nonzero) digits is 97542144, while the sum is 66.

The spelling of 2687706890238 in words is "two trillion, six hundred eighty-seven billion, seven hundred six million, eight hundred ninety thousand, two hundred thirty-eight".