78961246 has 24 divisors (see below), whose sum is σ = 148380120. Its totient is φ = 31236912.

The previous prime is 78961241. The next prime is 78961249. The reversal of 78961246 is 64216987.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78961241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29716 + ... + 32263.

It is an arithmetic number, because the mean of its divisors is an integer number (6182505).

Almost surely, 2^78961246 is an apocalyptic number.

78961246 is a deficient number, since it is larger than the sum of its proper divisors (69418874).

78961246 is a wasteful number, since it uses less digits than its factorization.

78961246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62008 (or 62001 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 78961246 is about 8886.0140670607. The cubic root of 78961246 is about 429.0138678383.

The spelling of 78961246 in words is "seventy-eight million, nine hundred sixty-one thousand, two hundred forty-six".