2687555046 has 32 divisors (see below), whose sum is σ = 5896540800. Its totient is φ = 809857280.

The previous prime is 2687555029. The next prime is 2687555047. The reversal of 2687555046 is 6405557862.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2687554986 and 2687555004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2687555047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101931 + ... + 125558.

It is an arithmetic number, because the mean of its divisors is an integer number (184266900).

Almost surely, 2^2687555046 is an apocalyptic number.

2687555046 is an abundant number, since it is smaller than the sum of its proper divisors (3208985754).

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

2687555046 is a wasteful number, since it uses less digits than its factorization.

2687555046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227684.

The product of its (nonzero) digits is 2016000, while the sum is 48.

The square root of 2687555046 is about 51841.6342913686. The cubic root of 2687555046 is about 1390.3339338817. Note that the first 3 decimals are identical.

The spelling of 2687555046 in words is "two billion, six hundred eighty-seven million, five hundred fifty-five thousand, forty-six".