802430617078 has 4 divisors (see below), whose sum is σ = 1203645925620. Its totient is φ = 401215308538.

The previous prime is 802430617007. The next prime is 802430617081. The reversal of 802430617078 is 870716034208.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200607654268 + ... + 200607654271.

It is an arithmetic number, because the mean of its divisors is an integer number (300911481405).

Almost surely, 2^802430617078 is an apocalyptic number.

802430617078 is a deficient number, since it is larger than the sum of its proper divisors (401215308542).

802430617078 is a wasteful number, since it uses less digits than its factorization.

802430617078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401215308541.

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 802430617078 in words is "eight hundred two billion, four hundred thirty million, six hundred seventeen thousand, seventy-eight".