84856041434 has 4 divisors (see below), whose sum is σ = 127284062154. Its totient is φ = 42428020716.

The previous prime is 84856041421. The next prime is 84856041449. The reversal of 84856041434 is 43414065848.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 48261499225 + 36594542209 = 219685^2 + 191297^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21214010357 + ... + 21214010360.

Almost surely, 2^84856041434 is an apocalyptic number.

84856041434 is a deficient number, since it is larger than the sum of its proper divisors (42428020720).

84856041434 is a wasteful number, since it uses less digits than its factorization.

84856041434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42428020719.

The product of its (nonzero) digits is 1474560, while the sum is 47.

The spelling of 84856041434 in words is "eighty-four billion, eight hundred fifty-six million, forty-one thousand, four hundred thirty-four".