91892811002 has 8 divisors (see below), whose sum is σ = 138066301056. Its totient is φ = 45870710652.

The previous prime is 91892810957. The next prime is 91892811013. The reversal of 91892811002 is 20011829819.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37845908 + ... + 37848335.

It is an arithmetic number, because the mean of its divisors is an integer number (17258287632).

Almost surely, 2^91892811002 is an apocalyptic number.

91892811002 is a deficient number, since it is larger than the sum of its proper divisors (46173490054).

91892811002 is a wasteful number, since it uses less digits than its factorization.

91892811002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75694852.

The product of its (nonzero) digits is 20736, while the sum is 41.

The spelling of 91892811002 in words is "ninety-one billion, eight hundred ninety-two million, eight hundred eleven thousand, two".