83478007458 has 64 divisors (see below), whose sum is σ = 189497387520. Its totient is φ = 27233670096.

The previous prime is 83478007447. The next prime is 83478007511. The reversal of 83478007458 is 85470087438.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 392541 + ... + 566607.

It is an arithmetic number, because the mean of its divisors is an integer number (2960896680).

Almost surely, 2^83478007458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83478007458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94748693760).

83478007458 is an abundant number, since it is smaller than the sum of its proper divisors (106019380062).

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

83478007458 is a wasteful number, since it uses less digits than its factorization.

83478007458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174268 (or 174262 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 54.

The spelling of 83478007458 in words is "eighty-three billion, four hundred seventy-eight million, seven thousand, four hundred fifty-eight".