78957296 has 40 divisors (see below), whose sum is σ = 168048768. Its totient is φ = 35640000.

The previous prime is 78957271. The next prime is 78957313. The reversal of 78957296 is 69275987.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 25091 + ... + 28061.

Almost surely, 2^78957296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78957296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84024384).

78957296 is an abundant number, since it is smaller than the sum of its proper divisors (89091472).

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

78957296 is a wasteful number, since it uses less digits than its factorization.

78957296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141 (or 3135 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 53.

The square root of 78957296 is about 8885.7918048984. The cubic root of 78957296 is about 429.0067139786.

It can be divided in two parts, 789 and 57296, that added together give a palindrome (58085).

The spelling of 78957296 in words is "seventy-eight million, nine hundred fifty-seven thousand, two hundred ninety-six".