834764377384121 has 16 divisors (see below), whose sum is σ = 878665631511936. Its totient is φ = 791526290328576.

The previous prime is 834764377384097. The next prime is 834764377384139. The reversal of 834764377384121 is 121483773467438.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 834764377384121 - 2⁶ = 834764377384057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (834764377384151) 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, 330991730 + ... + 333504203.

It is an arithmetic number, because the mean of its divisors is an integer number (54916601969496).

Almost surely, 2^{834764377384121} is an apocalyptic number.

It is an amenable number.

834764377384121 is a deficient number, since it is larger than the sum of its proper divisors (43901254127815).

834764377384121 is a wasteful number, since it uses less digits than its factorization.

834764377384121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664496432.

The product of its digits is 455196672, while the sum is 68.

The spelling of 834764377384121 in words is "eight hundred thirty-four trillion, seven hundred sixty-four billion, three hundred seventy-seven million, three hundred eighty-four thousand, one hundred twenty-one".