84803877434 has 4 divisors (see below), whose sum is σ = 127205816154. Its totient is φ = 42401938716.

The previous prime is 84803877397. The next prime is 84803877467. The reversal of 84803877434 is 43477830848.

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., 43532736025 + 41271141409 = 208645^2 + 203153^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 84803877434.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21200969357 + ... + 21200969360.

Almost surely, 2^84803877434 is an apocalyptic number.

84803877434 is a deficient number, since it is larger than the sum of its proper divisors (42401938720).

84803877434 is a wasteful number, since it uses less digits than its factorization.

84803877434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42401938719.

The product of its (nonzero) digits is 14450688, while the sum is 56.

The spelling of 84803877434 in words is "eighty-four billion, eight hundred three million, eight hundred seventy-seven thousand, four hundred thirty-four".