78379288297386 has 16 divisors (see below), whose sum is σ = 156758688137568. Its totient is φ = 26126410842000.

The previous prime is 78379288297379. The next prime is 78379288297399. The reversal of 78379288297386 is 68379288297387.

It is a super-2 number, since 2×78379288297386² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6569961 + ... + 14139411.

It is an arithmetic number, because the mean of its divisors is an integer number (9797418008598).

Almost surely, 2^{78379288297386} is an apocalyptic number.

78379288297386 is an abundant number, since it is smaller than the sum of its proper divisors (78379399840182).

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

78379288297386 is a wasteful number, since it uses less digits than its factorization.

78379288297386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9295237.

The product of its digits is 24580620288, while the sum is 87.

Subtracting from 78379288297386 its reverse (68379288297387), we obtain a palindrome (9999999999999).

The spelling of 78379288297386 in words is "seventy-eight trillion, three hundred seventy-nine billion, two hundred eighty-eight million, two hundred ninety-seven thousand, three hundred eighty-six".