78298389295 has 8 divisors (see below), whose sum is σ = 107380648224. Its totient is φ = 53690324064.

The previous prime is 78298389293. The next prime is 78298389307. The reversal of 78298389295 is 59298389287.

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

It is a cyclic number.

It is not a de Polignac number, because 78298389295 - 2¹ = 78298389293 is a prime.

It is a super-2 number, since 2×78298389295² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78298389293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118548384 + ... + 1118548453.

It is an arithmetic number, because the mean of its divisors is an integer number (13422581028).

Almost surely, 2^78298389295 is an apocalyptic number.

78298389295 is a deficient number, since it is larger than the sum of its proper divisors (29082258929).

78298389295 is a wasteful number, since it uses less digits than its factorization.

78298389295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237096849.

The product of its digits is 156764160, while the sum is 70.

It can be divided in two parts, 782983 and 89295, that added together give a palindrome (872278).

The spelling of 78298389295 in words is "seventy-eight billion, two hundred ninety-eight million, three hundred eighty-nine thousand, two hundred ninety-five".