2773631136 has 48 divisors (see below), whose sum is σ = 7301496384. Its totient is φ = 921913344.

The previous prime is 2773631129. The next prime is 2773631173. The reversal of 2773631136 is 6311363772.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 2773631094 and 2773631103.

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, 7036 + ... + 74811.

It is an arithmetic number, because the mean of its divisors is an integer number (152114508).

Almost surely, 2^2773631136 is an apocalyptic number.

It is an amenable number.

2773631136 is an abundant number, since it is smaller than the sum of its proper divisors (4527865248).

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

2773631136 is a wasteful number, since it uses less digits than its factorization.

2773631136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82213 (or 82205 counting only the distinct ones).

The product of its digits is 95256, while the sum is 39.

The square root of 2773631136 is about 52665.2744794898. The cubic root of 2773631136 is about 1405.0212778615.

The spelling of 2773631136 in words is "two billion, seven hundred seventy-three million, six hundred thirty-one thousand, one hundred thirty-six".