78796403242 has 32 divisors (see below), whose sum is σ = 127375427520. Its totient is φ = 36437506560.

The previous prime is 78796403233. The next prime is 78796403249. The reversal of 78796403242 is 24230469787.

It is a super-2 number, since 2×78796403242² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78796403242.

It is not an unprimeable number, because it can be changed into a prime (78796403249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3388768 + ... + 3411940.

It is an arithmetic number, because the mean of its divisors is an integer number (3980482110).

Almost surely, 2^78796403242 is an apocalyptic number.

78796403242 is a deficient number, since it is larger than the sum of its proper divisors (48579024278).

78796403242 is a wasteful number, since it uses less digits than its factorization.

78796403242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25318.

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 78796403242 in words is "seventy-eight billion, seven hundred ninety-six million, four hundred three thousand, two hundred forty-two".