84610666923 has 32 divisors (see below), whose sum is σ = 116011284480. Its totient is φ = 54819663360.

The previous prime is 84610666919. The next prime is 84610666967. The reversal of 84610666923 is 32966601648.

It is a happy number.

It is not a de Polignac number, because 84610666923 - 2² = 84610666919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84610667923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54271618 + ... + 54273176.

It is an arithmetic number, because the mean of its divisors is an integer number (3625352640).

Almost surely, 2^84610666923 is an apocalyptic number.

84610666923 is a deficient number, since it is larger than the sum of its proper divisors (31400617557).

84610666923 is a wasteful number, since it uses less digits than its factorization.

84610666923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019.

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 84610666923 in words is "eighty-four billion, six hundred ten million, six hundred sixty-six thousand, nine hundred twenty-three".