78495982 has 16 divisors (see below), whose sum is σ = 122523840. Its totient is φ = 37670752.

The previous prime is 78495979. The next prime is 78495997. The reversal of 78495982 is 28959487.

It is a congruent number.

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, 6123 + ... + 13945.

It is an arithmetic number, because the mean of its divisors is an integer number (7657740).

Almost surely, 2^78495982 is an apocalyptic number.

78495982 is a deficient number, since it is larger than the sum of its proper divisors (44027858).

78495982 is a wasteful number, since it uses less digits than its factorization.

78495982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8027.

The product of its digits is 1451520, while the sum is 52.

The square root of 78495982 is about 8859.7958215751. The cubic root of 78495982 is about 428.1695800773.

It can be divided in two parts, 7849 and 5982, that added together give a palindrome (13831).

The spelling of 78495982 in words is "seventy-eight million, four hundred ninety-five thousand, nine hundred eighty-two".