97954119895 has 16 divisors (see below), whose sum is σ = 118256561280. Its totient is φ = 77889659904.

The previous prime is 97954119847. The next prime is 97954119899. The reversal of 97954119895 is 59891145979.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97954119895 is a prime.

It is a super-2 number, since 2×97954119895² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97954119895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97954119899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 975559 + ... + 1071271.

It is an arithmetic number, because the mean of its divisors is an integer number (7391035080).

Almost surely, 2^97954119895 is an apocalyptic number.

97954119895 is a deficient number, since it is larger than the sum of its proper divisors (20302441385).

97954119895 is a wasteful number, since it uses less digits than its factorization.

97954119895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96954.

The product of its digits is 36741600, while the sum is 67.

The spelling of 97954119895 in words is "ninety-seven billion, nine hundred fifty-four million, one hundred nineteen thousand, eight hundred ninety-five".