69690778486834 has 8 divisors (see below), whose sum is σ = 104905553482800. Its totient is φ = 34722260659236.

The previous prime is 69690778486807. The next prime is 69690778486843. The reversal of 69690778486834 is 43868487709696.

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

It is a super-2 number, since 2×69690778486834² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61564291384 + ... + 61564292515.

It is an arithmetic number, because the mean of its divisors is an integer number (13113194185350).

Almost surely, 2^{69690778486834} is an apocalyptic number.

69690778486834 is a deficient number, since it is larger than the sum of its proper divisors (35214774995966).

69690778486834 is a wasteful number, since it uses less digits than its factorization.

69690778486834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123128584184.

The product of its (nonzero) digits is 21069103104, while the sum is 85.

The spelling of 69690778486834 in words is "sixty-nine trillion, six hundred ninety billion, seven hundred seventy-eight million, four hundred eighty-six thousand, eight hundred thirty-four".