78958341700 has 36 divisors (see below), whose sum is σ = 195816689152. Its totient is φ = 27071431200.

The previous prime is 78958341691. The next prime is 78958341739. The reversal of 78958341700 is 714385987.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56398116 + ... + 56399515.

Almost surely, 2^78958341700 is an apocalyptic number.

78958341700 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

78958341700 is an abundant number, since it is smaller than the sum of its proper divisors (116858347452).

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

78958341700 is a wasteful number, since it uses less digits than its factorization.

78958341700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112797652 (or 112797645 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 78958341700 in words is "seventy-eight billion, nine hundred fifty-eight million, three hundred forty-one thousand, seven hundred".