70779429408768 has 104 divisors (see below), whose sum is σ = 190392215769408. Its totient is φ = 23384353800192.

The previous prime is 70779429408761. The next prime is 70779429408781. The reversal of 70779429408768 is 86780492497707.

It is a junction number, because it is equal to n+sod(n) for n = 70779429408693 and 70779429408702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70779429408761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24098380 + ... + 26875467.

Almost surely, 2^{70779429408768} is an apocalyptic number.

It is an amenable number.

70779429408768 is an abundant number, since it is smaller than the sum of its proper divisors (119612786360640).

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

70779429408768 is a wasteful number, since it uses less digits than its factorization.

70779429408768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50973987 (or 50973965 counting only the distinct ones).

The product of its (nonzero) digits is 2389782528, while the sum is 78.

The spelling of 70779429408768 in words is "seventy trillion, seven hundred seventy-nine billion, four hundred twenty-nine million, four hundred eight thousand, seven hundred sixty-eight".