70777070620 has 96 divisors (see below), whose sum is σ = 163599367680. Its totient is φ = 25600861440.

The previous prime is 70777070603. The next prime is 70777070659. The reversal of 70777070620 is 2607077707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4283094 + ... + 4299586.

It is an arithmetic number, because the mean of its divisors is an integer number (1704160080).

Almost surely, 2^70777070620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70777070620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81799683840).

70777070620 is an abundant number, since it is smaller than the sum of its proper divisors (92822297060).

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

70777070620 is a wasteful number, since it uses less digits than its factorization.

70777070620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17035 (or 17033 counting only the distinct ones).

The product of its (nonzero) digits is 201684, while the sum is 43.

The spelling of 70777070620 in words is "seventy billion, seven hundred seventy-seven million, seventy thousand, six hundred twenty".