78486092 has 12 divisors (see below), whose sum is σ = 138003096. Its totient is φ = 39056640.

The previous prime is 78486091. The next prime is 78486101. The reversal of 78486092 is 29068487.

It is a super-4 number, since 4×78486092⁴ (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (78486091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45653 + ... + 47340.

It is an arithmetic number, because the mean of its divisors is an integer number (11500258).

Almost surely, 2^78486092 is an apocalyptic number.

It is an amenable number.

78486092 is a deficient number, since it is larger than the sum of its proper divisors (59517004).

78486092 is a wasteful number, since it uses less digits than its factorization.

78486092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93208 (or 93206 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 78486092 is about 8859.2376647204. The cubic root of 78486092 is about 428.1515970973.

The spelling of 78486092 in words is "seventy-eight million, four hundred eighty-six thousand, ninety-two".