83406318074454 has 32 divisors (see below), whose sum is σ = 168688667409120. Its totient is φ = 27489440563200.

The previous prime is 83406318074423. The next prime is 83406318074459. The reversal of 83406318074454 is 45447081360438.

It is a super-2 number, since 2×83406318074454² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83406318074394 and 83406318074403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83406318074459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54872214 + ... + 56371734.

It is an arithmetic number, because the mean of its divisors is an integer number (5271520856535).

Almost surely, 2^{83406318074454} is an apocalyptic number.

83406318074454 is an abundant number, since it is smaller than the sum of its proper divisors (85282349334666).

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

83406318074454 is a wasteful number, since it uses less digits than its factorization.

83406318074454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603776.

The product of its (nonzero) digits is 30965760, while the sum is 57.

The spelling of 83406318074454 in words is "eighty-three trillion, four hundred six billion, three hundred eighteen million, seventy-four thousand, four hundred fifty-four".