78589948 has 24 divisors (see below), whose sum is σ = 141395184. Its totient is φ = 38198400.

The previous prime is 78589943. The next prime is 78589957. The reversal of 78589948 is 84998587.

It is a junction number, because it is equal to n+sod(n) for n = 78589892 and 78589901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78589943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56218 + ... + 57598.

It is an arithmetic number, because the mean of its divisors is an integer number (5891466).

Almost surely, 2^78589948 is an apocalyptic number.

It is an amenable number.

78589948 is a deficient number, since it is larger than the sum of its proper divisors (62805236).

78589948 is a wasteful number, since it uses less digits than its factorization.

78589948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773 (or 1771 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 58.

The square root of 78589948 is about 8865.0971793884. The cubic root of 78589948 is about 428.3403630830.

The spelling of 78589948 in words is "seventy-eight million, five hundred eighty-nine thousand, nine hundred forty-eight".