84620534461 has 4 divisors (see below), whose sum is σ = 85442093152. Its totient is φ = 83798975772.

The previous prime is 84620534459. The next prime is 84620534477. The reversal of 84620534461 is 16443502648.

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 84620534461 - 2¹ = 84620534459 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 (84620534861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410779191 + ... + 410779396.

It is an arithmetic number, because the mean of its divisors is an integer number (21360523288).

Almost surely, 2^84620534461 is an apocalyptic number.

It is an amenable number.

84620534461 is a deficient number, since it is larger than the sum of its proper divisors (821558691).

84620534461 is a wasteful number, since it uses less digits than its factorization.

84620534461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821558690.

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 84620534461 in words is "eighty-four billion, six hundred twenty million, five hundred thirty-four thousand, four hundred sixty-one".