78826494 has 8 divisors (see below), whose sum is σ = 157653000. Its totient is φ = 26275496.

The previous prime is 78826493. The next prime is 78826507. The reversal of 78826494 is 49462887.

It is a sphenic number, since it is the product of 3 distinct primes.

78826494 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78826493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6568869 + ... + 6568880.

It is an arithmetic number, because the mean of its divisors is an integer number (19706625).

Almost surely, 2^78826494 is an apocalyptic number.

78826494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78826494 is a wasteful number, since it uses less digits than its factorization.

78826494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13137754.

The product of its digits is 774144, while the sum is 48.

The square root of 78826494 is about 8878.4285771751. The cubic root of 78826494 is about 428.7696830999.

The spelling of 78826494 in words is "seventy-eight million, eight hundred twenty-six thousand, four hundred ninety-four".