77327248 has 10 divisors (see below), whose sum is σ = 149821574. Its totient is φ = 38663616.

The previous prime is 77327231. The next prime is 77327249. The reversal of 77327248 is 84272377.

It can be written as a sum of positive squares in only one way, i.e., 38787984 + 38539264 = 6228^2 + 6208^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 77327248.

It is not an unprimeable number, because it can be changed into a prime (77327249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2416461 + ... + 2416492.

Almost surely, 2^77327248 is an apocalyptic number.

It is an amenable number.

77327248 is a deficient number, since it is larger than the sum of its proper divisors (72494326).

77327248 is a wasteful number, since it uses less digits than its factorization.

77327248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4832961 (or 4832955 counting only the distinct ones).

The product of its digits is 131712, while the sum is 40.

The square root of 77327248 is about 8793.5913027613. The cubic root of 77327248 is about 426.0339264861.

The spelling of 77327248 in words is "seventy-seven million, three hundred twenty-seven thousand, two hundred forty-eight".