99706951 has 4 divisors (see below), whose sum is σ = 99836712. Its totient is φ = 99577192.

The previous prime is 99706913. The next prime is 99706963. The reversal of 99706951 is 15960799.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99706951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99706051) 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, 63721 + ... + 65266.

It is an arithmetic number, because the mean of its divisors is an integer number (24959178).

Almost surely, 2^99706951 is an apocalyptic number.

99706951 is a deficient number, since it is larger than the sum of its proper divisors (129761).

99706951 is a wasteful number, since it uses less digits than its factorization.

99706951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129760.

The product of its (nonzero) digits is 153090, while the sum is 46.

The square root of 99706951 is about 9985.3367995276. The cubic root of 99706951 is about 463.7050354178.

The spelling of 99706951 in words is "ninety-nine million, seven hundred six thousand, nine hundred fifty-one".