97099851 has 8 divisors (see below), whose sum is σ = 130723840. Its totient is φ = 64104552.

The previous prime is 97099837. The next prime is 97099853. The reversal of 97099851 is 15899079.

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

It is not a de Polignac number, because 97099851 - 2⁶ = 97099787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97099851.

It is not an unprimeable number, because it can be changed into a prime (97099853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156811 + ... + 157428.

It is an arithmetic number, because the mean of its divisors is an integer number (16340480).

Almost surely, 2^97099851 is an apocalyptic number.

97099851 is a deficient number, since it is larger than the sum of its proper divisors (33623989).

97099851 is a wasteful number, since it uses less digits than its factorization.

97099851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314345.

The product of its (nonzero) digits is 204120, while the sum is 48.

The square root of 97099851 is about 9853.9256644243. The cubic root of 97099851 is about 459.6276933944.

The spelling of 97099851 in words is "ninety-seven million, ninety-nine thousand, eight hundred fifty-one".