97786871 has 8 divisors (see below), whose sum is σ = 120353184. Its totient is φ = 77369760.

The previous prime is 97786867. The next prime is 97786877. The reversal of 97786871 is 17868779.

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

It is not a de Polignac number, because 97786871 - 2² = 97786867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97786877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537200 + ... + 537381.

It is an arithmetic number, because the mean of its divisors is an integer number (15044148).

Almost surely, 2^97786871 is an apocalyptic number.

97786871 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

97786871 is a deficient number, since it is larger than the sum of its proper divisors (22566313).

97786871 is a wasteful number, since it uses less digits than its factorization.

97786871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074601.

The product of its digits is 1185408, while the sum is 53.

The square root of 97786871 is about 9888.7244374591. The cubic root of 97786871 is about 460.7091629249.

The spelling of 97786871 in words is "ninety-seven million, seven hundred eighty-six thousand, eight hundred seventy-one".