77468228 has 24 divisors (see below), whose sum is σ = 137121600. Its totient is φ = 38293920.

The previous prime is 77468227. The next prime is 77468249. The reversal of 77468228 is 82286477.

It is not an unprimeable number, because it can be changed into a prime (77468221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221798 + ... + 222146.

It is an arithmetic number, because the mean of its divisors is an integer number (5713400).

Almost surely, 2^77468228 is an apocalyptic number.

It is an amenable number.

77468228 is a deficient number, since it is larger than the sum of its proper divisors (59653372).

77468228 is a wasteful number, since it uses less digits than its factorization.

77468228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827 (or 825 counting only the distinct ones).

The product of its digits is 301056, while the sum is 44.

The square root of 77468228 is about 8801.6037175051. The cubic root of 77468228 is about 426.2926787387.

The spelling of 77468228 in words is "seventy-seven million, four hundred sixty-eight thousand, two hundred twenty-eight".