117426436721477 has 16 divisors (see below), whose sum is σ = 126838440375360. Its totient is φ = 108068897347200.

The previous prime is 117426436721449. The next prime is 117426436721507. The reversal of 117426436721477 is 774127634624711.

It is a cyclic number.

It is not a de Polignac number, because 117426436721477 - 2⁸ = 117426436721221 is a prime.

It is a super-2 number, since 2×117426436721477² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117426436721777) 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, 3531602 + ... + 15726572.

It is an arithmetic number, because the mean of its divisors is an integer number (7927402523460).

Almost surely, 2^{117426436721477} is an apocalyptic number.

It is an amenable number.

117426436721477 is a deficient number, since it is larger than the sum of its proper divisors (9412003653883).

117426436721477 is a wasteful number, since it uses less digits than its factorization.

117426436721477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12197204.

The product of its digits is 66382848, while the sum is 62.

The spelling of 117426436721477 in words is "one hundred seventeen trillion, four hundred twenty-six billion, four hundred thirty-six million, seven hundred twenty-one thousand, four hundred seventy-seven".