77853452 has 12 divisors (see below), whose sum is σ = 136470096. Its totient is φ = 38862000.

The previous prime is 77853437. The next prime is 77853499. The reversal of 77853452 is 25435877.

It is a super-2 number, since 2×77853452² = 12122319976632608, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13424 + ... + 18327.

It is an arithmetic number, because the mean of its divisors is an integer number (11372508).

Almost surely, 2^77853452 is an apocalyptic number.

It is an amenable number.

77853452 is a deficient number, since it is larger than the sum of its proper divisors (58616644).

77853452 is a wasteful number, since it uses less digits than its factorization.

77853452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32368 (or 32366 counting only the distinct ones).

The product of its digits is 235200, while the sum is 41.

The square root of 77853452 is about 8823.4603189452. The cubic root of 77853452 is about 426.9981151206.

The spelling of 77853452 in words is "seventy-seven million, eight hundred fifty-three thousand, four hundred fifty-two".