80963399902 has 32 divisors (see below), whose sum is σ = 151443302400. Its totient is φ = 31537675680.

The previous prime is 80963399879. The next prime is 80963399941. The reversal of 80963399902 is 20999336908.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731724 + ... + 835072.

It is an arithmetic number, because the mean of its divisors is an integer number (4732603200).

Almost surely, 2^80963399902 is an apocalyptic number.

80963399902 is a deficient number, since it is larger than the sum of its proper divisors (70479902498).

80963399902 is a wasteful number, since it uses less digits than its factorization.

80963399902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108456.

The product of its (nonzero) digits is 5668704, while the sum is 58.

The spelling of 80963399902 in words is "eighty billion, nine hundred sixty-three million, three hundred ninety-nine thousand, nine hundred two".