78231341568234 has 16 divisors (see below), whose sum is σ = 156462769912320. Its totient is φ = 26077099393440.

The previous prime is 78231341568229. The next prime is 78231341568239. The reversal of 78231341568234 is 43286514313287.

It is an interprime number because it is at equal distance from previous prime (78231341568229) and next prime (78231341568239).

It is a super-2 number, since 2×78231341568234² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78231341568239) 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, 18679854 + ... + 22481094.

It is an arithmetic number, because the mean of its divisors is an integer number (9778923119520).

Almost surely, 2^{78231341568234} is an apocalyptic number.

78231341568234 is an abundant number, since it is smaller than the sum of its proper divisors (78231428344086).

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

78231341568234 is a wasteful number, since it uses less digits than its factorization.

78231341568234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7231325.

The product of its digits is 23224320, while the sum is 57.

The spelling of 78231341568234 in words is "seventy-eight trillion, two hundred thirty-one billion, three hundred forty-one million, five hundred sixty-eight thousand, two hundred thirty-four".