97085511 has 12 divisors (see below), whose sum is σ = 140379720. Its totient is φ = 64656720.

The previous prime is 97085509. The next prime is 97085519. The reversal of 97085511 is 11558079.

It is not a de Polignac number, because 97085511 - 2¹ = 97085509 is a prime.

It is a super-2 number, since 2×97085511² = 18851192892262242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97085519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4576 + ... + 14666.

It is an arithmetic number, because the mean of its divisors is an integer number (11698310).

Almost surely, 2^97085511 is an apocalyptic number.

97085511 is a deficient number, since it is larger than the sum of its proper divisors (43294209).

97085511 is a wasteful number, since it uses less digits than its factorization.

97085511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11166 (or 11163 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 36.

The square root of 97085511 is about 9853.1980087685. The cubic root of 97085511 is about 459.6050658773.

The spelling of 97085511 in words is "ninety-seven million, eighty-five thousand, five hundred eleven".