78298243446 has 8 divisors (see below), whose sum is σ = 156596486904. Its totient is φ = 26099414480.

The previous prime is 78298243411. The next prime is 78298243489. The reversal of 78298243446 is 64434289287.

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

78298243446 is an admirable number.

It is a super-2 number, since 2×78298243446² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6524853615 + ... + 6524853626.

It is an arithmetic number, because the mean of its divisors is an integer number (19574560863).

Almost surely, 2^78298243446 is an apocalyptic number.

78298243446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

78298243446 is a wasteful number, since it uses less digits than its factorization.

78298243446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13049707246.

The product of its digits is 18579456, while the sum is 57.

The spelling of 78298243446 in words is "seventy-eight billion, two hundred ninety-eight million, two hundred forty-three thousand, four hundred forty-six".