77127226 has 32 divisors (see below), whose sum is σ = 129024000. Its totient is φ = 34285680.

The previous prime is 77127223. The next prime is 77127247. The reversal of 77127226 is 62272177.

It is a junction number, because it is equal to n+sod(n) for n = 77127191 and 77127200.

It is not an unprimeable number, because it can be changed into a prime (77127223) 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, 345751 + ... + 345973.

It is an arithmetic number, because the mean of its divisors is an integer number (4032000).

Almost surely, 2^77127226 is an apocalyptic number.

77127226 is a deficient number, since it is larger than the sum of its proper divisors (51896774).

77127226 is a wasteful number, since it uses less digits than its factorization.

77127226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514.

The product of its digits is 16464, while the sum is 34.

The square root of 77127226 is about 8782.2107695045. The cubic root of 77127226 is about 425.6662693661. Note that the first 3 decimals are identical.

The spelling of 77127226 in words is "seventy-seven million, one hundred twenty-seven thousand, two hundred twenty-six".