78951026 has 64 divisors (see below), whose sum is σ = 159563520. Its totient is φ = 28354560.

The previous prime is 78951001. The next prime is 78951049. The reversal of 78951026 is 62015987.

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 138470 + ... + 139038.

It is an arithmetic number, because the mean of its divisors is an integer number (2493180).

Almost surely, 2^78951026 is an apocalyptic number.

78951026 is an abundant number, since it is smaller than the sum of its proper divisors (80612494).

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

78951026 is a wasteful number, since it uses less digits than its factorization.

78951026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 78951026 is about 8885.4389874671. The cubic root of 78951026 is about 428.9953578682.

It can be divided in two parts, 789 and 51026, that added together give a palindrome (51815).

The spelling of 78951026 in words is "seventy-eight million, nine hundred fifty-one thousand, twenty-six".