77848976 has 10 divisors (see below), whose sum is σ = 150832422. Its totient is φ = 38924480.

The previous prime is 77848973. The next prime is 77849003. The reversal of 77848976 is 67984877.

It can be written as a sum of positive squares in only one way, i.e., 47334400 + 30514576 = 6880^2 + 5524^2 .

It is not an unprimeable number, because it can be changed into a prime (77848973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2432765 + ... + 2432796.

Almost surely, 2^77848976 is an apocalyptic number.

It is an amenable number.

77848976 is a deficient number, since it is larger than the sum of its proper divisors (72983446).

77848976 is a wasteful number, since it uses less digits than its factorization.

77848976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4865569 (or 4865563 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 56.

The square root of 77848976 is about 8823.2066733133. The cubic root of 77848976 is about 426.9899318817.

The spelling of 77848976 in words is "seventy-seven million, eight hundred forty-eight thousand, nine hundred seventy-six".