99761862071 has 4 divisors (see below), whose sum is σ = 100547388672. Its totient is φ = 98976335472.

The previous prime is 99761862041. The next prime is 99761862097. The reversal of 99761862071 is 17026816799.

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

It is a cyclic number.

It is not a de Polignac number, because 99761862071 - 2⁶ = 99761862007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99761861998 and 99761862016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99761862041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392763110 + ... + 392763363.

It is an arithmetic number, because the mean of its divisors is an integer number (25136847168).

Almost surely, 2^99761862071 is an apocalyptic number.

99761862071 is a deficient number, since it is larger than the sum of its proper divisors (785526601).

99761862071 is a wasteful number, since it uses less digits than its factorization.

99761862071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785526600.

The product of its (nonzero) digits is 2286144, while the sum is 56.

The spelling of 99761862071 in words is "ninety-nine billion, seven hundred sixty-one million, eight hundred sixty-two thousand, seventy-one".