78959044 has 6 divisors (see below), whose sum is σ = 138178334. Its totient is φ = 39479520.

The previous prime is 78959039. The next prime is 78959047. The reversal of 78959044 is 44095987.

It can be written as a sum of positive squares in only one way, i.e., 41602500 + 37356544 = 6450^2 + 6112^2 .

It is a junction number, because it is equal to n+sod(n) for n = 78958985 and 78959003.

It is not an unprimeable number, because it can be changed into a prime (78959047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9869877 + ... + 9869884.

Almost surely, 2^78959044 is an apocalyptic number.

It is an amenable number.

78959044 is a deficient number, since it is larger than the sum of its proper divisors (59219290).

78959044 is a wasteful number, since it uses less digits than its factorization.

78959044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19739765 (or 19739763 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 78959044 is about 8885.8901636246. The cubic root of 78959044 is about 429.0098798173.

The spelling of 78959044 in words is "seventy-eight million, nine hundred fifty-nine thousand, forty-four".