70427779102 has 8 divisors (see below), whose sum is σ = 109049464512. Its totient is φ = 34077957600.

The previous prime is 70427779091. The next prime is 70427779117. The reversal of 70427779102 is 20197772407.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 567965899 + ... + 567966022.

It is an arithmetic number, because the mean of its divisors is an integer number (13631183064).

Almost surely, 2^70427779102 is an apocalyptic number.

70427779102 is a deficient number, since it is larger than the sum of its proper divisors (38621685410).

70427779102 is a wasteful number, since it uses less digits than its factorization.

70427779102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135931954.

The product of its (nonzero) digits is 345744, while the sum is 46.

The spelling of 70427779102 in words is "seventy billion, four hundred twenty-seven million, seven hundred seventy-nine thousand, one hundred two".