78295552922 has 4 divisors (see below), whose sum is σ = 117443329386. Its totient is φ = 39147776460.

The previous prime is 78295552921. The next prime is 78295552967. The reversal of 78295552922 is 22925559287.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 66388160281 + 11907392641 = 257659^2 + 109121^2 .

It is a super-2 number, since 2×78295552922² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78295552921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19573888229 + ... + 19573888232.

Almost surely, 2^78295552922 is an apocalyptic number.

78295552922 is a deficient number, since it is larger than the sum of its proper divisors (39147776464).

78295552922 is a wasteful number, since it uses less digits than its factorization.

78295552922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39147776463.

The product of its digits is 9072000, while the sum is 56.

The spelling of 78295552922 in words is "seventy-eight billion, two hundred ninety-five million, five hundred fifty-two thousand, nine hundred twenty-two".