67777440000070 has 16 divisors (see below), whose sum is σ = 121999486899168. Its totient is φ = 27110954911360.

The previous prime is 67777440000041. The next prime is 67777440000143. The reversal of 67777440000070 is 7000004477776.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 67777439999969 and 67777440000023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20698350 + ... + 23748190.

It is an arithmetic number, because the mean of its divisors is an integer number (7624967931198).

Almost surely, 2^{67777440000070} is an apocalyptic number.

67777440000070 is a deficient number, since it is larger than the sum of its proper divisors (54222046899098).

67777440000070 is a wasteful number, since it uses less digits than its factorization.

67777440000070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5272175.

The product of its (nonzero) digits is 1613472, while the sum is 49.

The spelling of 67777440000070 in words is "sixty-seven trillion, seven hundred seventy-seven billion, four hundred forty million, seventy", and thus it is an aban number.