78298320374 has 8 divisors (see below), whose sum is σ = 117767502048. Its totient is φ = 39042486360.

The previous prime is 78298320343. The next prime is 78298320379. The reversal of 78298320374 is 47302389287.

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

It is a super-2 number, since 2×78298320374² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78298320379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53335997 + ... + 53337464.

It is an arithmetic number, because the mean of its divisors is an integer number (14720937756).

Almost surely, 2^78298320374 is an apocalyptic number.

78298320374 is a deficient number, since it is larger than the sum of its proper divisors (39469181674).

78298320374 is a wasteful number, since it uses less digits than its factorization.

78298320374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106673830.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 78298320374 in words is "seventy-eight billion, two hundred ninety-eight million, three hundred twenty thousand, three hundred seventy-four".