77755952 has 10 divisors (see below), whose sum is σ = 150652188. Its totient is φ = 38877968.

The previous prime is 77755949. The next prime is 77755963. The reversal of 77755952 is 25955777.

It is a junction number, because it is equal to n+sod(n) for n = 77755897 and 77755906.

It is an unprimeable number.

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, 2429858 + ... + 2429889.

Almost surely, 2^77755952 is an apocalyptic number.

It is an amenable number.

77755952 is a deficient number, since it is larger than the sum of its proper divisors (72896236).

77755952 is a wasteful number, since it uses less digits than its factorization.

77755952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4859755 (or 4859749 counting only the distinct ones).

The product of its digits is 771750, while the sum is 47.

The square root of 77755952 is about 8817.9335447711. The cubic root of 77755952 is about 426.8197898753.

The spelling of 77755952 in words is "seventy-seven million, seven hundred fifty-five thousand, nine hundred fifty-two".