83734090135478 has 32 divisors (see below), whose sum is σ = 131539794946560. Its totient is φ = 39976597733160.

The previous prime is 83734090135463. The next prime is 83734090135517. The reversal of 83734090135478 is 87453109043738.

It is a happy number.

It is a super-2 number, since 2×83734090135478² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83734090135478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10881551 + ... + 16907877.

It is an arithmetic number, because the mean of its divisors is an integer number (4110618592080).

Almost surely, 2^{83734090135478} is an apocalyptic number.

83734090135478 is a deficient number, since it is larger than the sum of its proper divisors (47805704811082).

83734090135478 is an equidigital number, since it uses as much as digits as its factorization.

83734090135478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6026969 (or 6026923 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 62.

The spelling of 83734090135478 in words is "eighty-three trillion, seven hundred thirty-four billion, ninety million, one hundred thirty-five thousand, four hundred seventy-eight".