78963452 has 6 divisors (see below), whose sum is σ = 138186048. Its totient is φ = 39481724.

The previous prime is 78963413. The next prime is 78963503. The reversal of 78963452 is 25436987.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9870428 + ... + 9870435.

It is an arithmetic number, because the mean of its divisors is an integer number (23031008).

Almost surely, 2^78963452 is an apocalyptic number.

It is an amenable number.

78963452 is a deficient number, since it is larger than the sum of its proper divisors (59222596).

78963452 is a wasteful number, since it uses less digits than its factorization.

78963452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19740867 (or 19740865 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The square root of 78963452 is about 8886.1381938388. The cubic root of 78963452 is about 429.0178630293.

The spelling of 78963452 in words is "seventy-eight million, nine hundred sixty-three thousand, four hundred fifty-two".