84632470154 has 4 divisors (see below), whose sum is σ = 126948705234. Its totient is φ = 42316235076.

The previous prime is 84632470129. The next prime is 84632470187. The reversal of 84632470154 is 45107423648.

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., 57530421025 + 27102049129 = 239855^2 + 164627^2 .

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 21158117537 + ... + 21158117540.

Almost surely, 2^84632470154 is an apocalyptic number.

84632470154 is a deficient number, since it is larger than the sum of its proper divisors (42316235080).

84632470154 is a wasteful number, since it uses less digits than its factorization.

84632470154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42316235079.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 84632470154 in words is "eighty-four billion, six hundred thirty-two million, four hundred seventy thousand, one hundred fifty-four".