97499995 has 16 divisors (see below), whose sum is σ = 120493440. Its totient is φ = 75682944.

The previous prime is 97499993. The next prime is 97499999. The reversal of 97499995 is 59999479.

It is a cyclic number.

It is not a de Polignac number, because 97499995 - 2¹ = 97499993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97499993) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 132649 + ... + 133381.

It is an arithmetic number, because the mean of its divisors is an integer number (7530840).

Almost surely, 2^97499995 is an apocalyptic number.

97499995 is a deficient number, since it is larger than the sum of its proper divisors (22993445).

97499995 is a wasteful number, since it uses less digits than its factorization.

97499995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494.

The product of its digits is 8266860, while the sum is 61.

The square root of 97499995 is about 9874.2085758809. The cubic root of 97499995 is about 460.2581962581.

The spelling of 97499995 in words is "ninety-seven million, four hundred ninety-nine thousand, nine hundred ninety-five".