69844890793778 has 16 divisors (see below), whose sum is σ = 105982476744960. Its totient is φ = 34519082732736.

The previous prime is 69844890793763. The next prime is 69844890793781. The reversal of 69844890793778 is 87739709844896.

It is a junction number, because it is equal to n+sod(n) for n = 69844890793693 and 69844890793702.

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, 420963638 + ... + 421129521.

It is an arithmetic number, because the mean of its divisors is an integer number (6623904796560).

Almost surely, 2^{69844890793778} is an apocalyptic number.

69844890793778 is a deficient number, since it is larger than the sum of its proper divisors (36137585951182).

69844890793778 is a wasteful number, since it uses less digits than its factorization.

69844890793778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842093641.

The product of its (nonzero) digits is 36870930432, while the sum is 89.

The spelling of 69844890793778 in words is "sixty-nine trillion, eight hundred forty-four billion, eight hundred ninety million, seven hundred ninety-three thousand, seven hundred seventy-eight".