82640463734470 has 8 divisors (see below), whose sum is σ = 148752834722064. Its totient is φ = 33056185493784.

The previous prime is 82640463734461. The next prime is 82640463734489. The reversal of 82640463734470 is 7443736404628.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4132023186714 + ... + 4132023186733.

It is an arithmetic number, because the mean of its divisors is an integer number (18594104340258).

Almost surely, 2^{82640463734470} is an apocalyptic number.

82640463734470 is a deficient number, since it is larger than the sum of its proper divisors (66112370987594).

82640463734470 is a wasteful number, since it uses less digits than its factorization.

82640463734470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8264046373454.

The product of its (nonzero) digits is 65028096, while the sum is 58.

The spelling of 82640463734470 in words is "eighty-two trillion, six hundred forty billion, four hundred sixty-three million, seven hundred thirty-four thousand, four hundred seventy".