84629016761 has 2 divisors, whose sum is σ = 84629016762. Its totient is φ = 84629016760.

The previous prime is 84629016749. The next prime is 84629016821. The reversal of 84629016761 is 16761092648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84539051536 + 89965225 = 290756^2 + 9485^2 .

It is a cyclic number.

It is not a de Polignac number, because 84629016761 - 2³⁰ = 83555274937 is a prime.

It is a super-2 number, since 2×84629016761² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84629016161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42314508380 + 42314508381.

It is an arithmetic number, because the mean of its divisors is an integer number (42314508381).

Almost surely, 2^84629016761 is an apocalyptic number.

It is an amenable number.

84629016761 is a deficient number, since it is larger than the sum of its proper divisors (1).

84629016761 is an equidigital number, since it uses as much as digits as its factorization.

84629016761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 84629016761 in words is "eighty-four billion, six hundred twenty-nine million, sixteen thousand, seven hundred sixty-one".