70801779608 has 16 divisors (see below), whose sum is σ = 151718099280. Its totient is φ = 30343619808.

The previous prime is 70801779583. The next prime is 70801779611. The reversal of 70801779608 is 80697710807.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 70801779608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632158691 + ... + 632158802.

It is an arithmetic number, because the mean of its divisors is an integer number (9482381205).

Almost surely, 2^70801779608 is an apocalyptic number.

It is an amenable number.

70801779608 is an abundant number, since it is smaller than the sum of its proper divisors (80916319672).

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

70801779608 is a wasteful number, since it uses less digits than its factorization.

70801779608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264317506 (or 1264317502 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 53.

The spelling of 70801779608 in words is "seventy billion, eight hundred one million, seven hundred seventy-nine thousand, six hundred eight".