84616315477 has 4 divisors (see below), whose sum is σ = 84618532960. Its totient is φ = 84614097996.

The previous prime is 84616315471. The next prime is 84616315481. The reversal of 84616315477 is 77451361648.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84616315477 - 2⁷ = 84616315349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84616315471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050483 + ... + 1128160.

It is an arithmetic number, because the mean of its divisors is an integer number (21154633240).

Almost surely, 2^84616315477 is an apocalyptic number.

It is an amenable number.

84616315477 is a deficient number, since it is larger than the sum of its proper divisors (2217483).

84616315477 is a wasteful number, since it uses less digits than its factorization.

84616315477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217482.

The product of its digits is 3386880, while the sum is 52.

The spelling of 84616315477 in words is "eighty-four billion, six hundred sixteen million, three hundred fifteen thousand, four hundred seventy-seven".