27620154136 has 16 divisors (see below), whose sum is σ = 53050906440. Its totient is φ = 13473245760.

The previous prime is 27620154131. The next prime is 27620154139. The reversal of 27620154136 is 63145102672.

It is a junction number, because it is equal to n+sod(n) for n = 27620154095 and 27620154104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27620154131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42103566 + ... + 42104221.

Almost surely, 2^27620154136 is an apocalyptic number.

It is an amenable number.

27620154136 is a deficient number, since it is larger than the sum of its proper divisors (25430752304).

27620154136 is a wasteful number, since it uses less digits than its factorization.

27620154136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84207834 (or 84207830 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 27620154136 in words is "twenty-seven billion, six hundred twenty million, one hundred fifty-four thousand, one hundred thirty-six".