84123840314757 has 8 divisors (see below), whose sum is σ = 112292436110400. Its totient is φ = 56018902364480.

The previous prime is 84123840314741. The next prime is 84123840314819. The reversal of 84123840314757 is 75741304832148.

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

It is a cyclic number.

It is not a de Polignac number, because 84123840314757 - 2⁴ = 84123840314741 is a prime.

It is a super-2 number, since 2×84123840314757² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84123840314697 and 84123840314706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84123840314707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15914458257 + ... + 15914463542.

It is an arithmetic number, because the mean of its divisors is an integer number (14036554513800).

Almost surely, 2^{84123840314757} is an apocalyptic number.

It is an amenable number.

84123840314757 is a deficient number, since it is larger than the sum of its proper divisors (28168595795643).

84123840314757 is a wasteful number, since it uses less digits than its factorization.

84123840314757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31828922683.

The product of its (nonzero) digits is 18063360, while the sum is 57.

The spelling of 84123840314757 in words is "eighty-four trillion, one hundred twenty-three billion, eight hundred forty million, three hundred fourteen thousand, seven hundred fifty-seven".