77794848 has 36 divisors (see below), whose sum is σ = 221229918. Its totient is φ = 25931520.

The previous prime is 77794819. The next prime is 77794861. The reversal of 77794848 is 84849777.

It can be written as a sum of positive squares in only one way, i.e., 70761744 + 7033104 = 8412^2 + 2652^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 77794794 and 77794803.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134773 + ... + 135348.

Almost surely, 2^77794848 is an apocalyptic number.

It is an amenable number.

77794848 is an abundant number, since it is smaller than the sum of its proper divisors (143435070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77794848 is a wasteful number, since it uses less digits than its factorization.

77794848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270137 (or 270126 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 54.

The square root of 77794848 is about 8820.1387744185. The cubic root of 77794848 is about 426.8909476223.

The spelling of 77794848 in words is "seventy-seven million, seven hundred ninety-four thousand, eight hundred forty-eight".