78339708008988 has 24 divisors (see below), whose sum is σ = 183802556180880. Its totient is φ = 25968963980160.

The previous prime is 78339708008929. The next prime is 78339708009001. The reversal of 78339708008988 is 88980080793387.

It is a super-2 number, since 2×78339708008988² (a number of 29 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 7 ways as a sum of consecutive naturals, for example, 18034000593 + ... + 18034004936.

It is an arithmetic number, because the mean of its divisors is an integer number (7658439840870).

Almost surely, 2^{78339708008988} is an apocalyptic number.

It is an amenable number.

78339708008988 is an abundant number, since it is smaller than the sum of its proper divisors (105462848171892).

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

78339708008988 is a wasteful number, since it uses less digits than its factorization.

78339708008988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36068005717 (or 36068005715 counting only the distinct ones).

The product of its (nonzero) digits is 1170505728, while the sum is 78.

The spelling of 78339708008988 in words is "seventy-eight trillion, three hundred thirty-nine billion, seven hundred eight million, eight thousand, nine hundred eighty-eight".