84407600767666 has 16 divisors (see below), whose sum is σ = 138122165638080. Its totient is φ = 38366914283280.

The previous prime is 84407600767657. The next prime is 84407600767703. The reversal of 84407600767666 is 66676700670448.

It is a super-2 number, since 2×84407600767666² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3909606 + ... + 13568353.

It is an arithmetic number, because the mean of its divisors is an integer number (8632635352380).

Almost surely, 2^{84407600767666} is an apocalyptic number.

84407600767666 is a deficient number, since it is larger than the sum of its proper divisors (53714564870414).

84407600767666 is a wasteful number, since it uses less digits than its factorization.

84407600767666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17697489.

The product of its (nonzero) digits is 341397504, while the sum is 67.

The spelling of 84407600767666 in words is "eighty-four trillion, four hundred seven billion, six hundred million, seven hundred sixty-seven thousand, six hundred sixty-six".