78958341702 has 160 divisors (see below), whose sum is σ = 187677388800. Its totient is φ = 24773418432.

The previous prime is 78958341691. The next prime is 78958341739. The reversal of 78958341702 is 20714385987.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 35200993 + ... + 35203235.

It is an arithmetic number, because the mean of its divisors is an integer number (1172983680).

Almost surely, 2^78958341702 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78958341702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93838694400).

78958341702 is an abundant number, since it is smaller than the sum of its proper divisors (108719047098).

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

78958341702 is a wasteful number, since it uses less digits than its factorization.

78958341702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472 (or 2463 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 78958341702 in words is "seventy-eight billion, nine hundred fifty-eight million, three hundred forty-one thousand, seven hundred two".