97500000001 has 4 divisors (see below), whose sum is σ = 97501186900. Its totient is φ = 97498813104.

The previous prime is 97499999977. The next prime is 97500000019. The reversal of 97500000001 is 10000000579.

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

It can be written as a sum of positive squares in 2 ways, for example, as 93024390001 + 4475610000 = 304999^2 + 66900^2 .

It is a cyclic number.

It is not a de Polignac number, because 97500000001 - 2¹⁵ = 97499967233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97500000041) 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, 460266 + ... + 637843.

It is an arithmetic number, because the mean of its divisors is an integer number (24375296725).

Almost surely, 2^97500000001 is an apocalyptic number.

It is an amenable number.

97500000001 is a deficient number, since it is larger than the sum of its proper divisors (1186899).

97500000001 is a wasteful number, since it uses less digits than its factorization.

97500000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186898.

The product of its (nonzero) digits is 315, while the sum is 22.

The spelling of 97500000001 in words is "ninety-seven billion, five hundred million, one", and thus it is an aban number.