78499058 has 16 divisors (see below), whose sum is σ = 129276864. Its totient is φ = 35452560.

The previous prime is 78499039. The next prime is 78499063. The reversal of 78499058 is 85099487.

It is a junction number, because it is equal to n+sod(n) for n = 78498997 and 78499015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7910 + ... + 14817.

It is an arithmetic number, because the mean of its divisors is an integer number (8079804).

Almost surely, 2^78499058 is an apocalyptic number.

78499058 is a deficient number, since it is larger than the sum of its proper divisors (50777806).

78499058 is a wasteful number, since it uses less digits than its factorization.

78499058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22897.

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 78499058 is about 8859.9694130398. The cubic root of 78499058 is about 428.1751728579.

The spelling of 78499058 in words is "seventy-eight million, four hundred ninety-nine thousand, fifty-eight".