97069191 has 4 divisors (see below), whose sum is σ = 129425592. Its totient is φ = 64712792.

The previous prime is 97069169. The next prime is 97069211. The reversal of 97069191 is 19196079.

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

It is a cyclic number.

It is not a de Polignac number, because 97069191 - 2⁹ = 97068679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97069151) 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, 16178196 + ... + 16178201.

It is an arithmetic number, because the mean of its divisors is an integer number (32356398).

Almost surely, 2^97069191 is an apocalyptic number.

97069191 is a deficient number, since it is larger than the sum of its proper divisors (32356401).

97069191 is a wasteful number, since it uses less digits than its factorization.

97069191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32356400.

The product of its (nonzero) digits is 30618, while the sum is 42.

The square root of 97069191 is about 9852.3698164452. The cubic root of 97069191 is about 459.5793113477.

The spelling of 97069191 in words is "ninety-seven million, sixty-nine thousand, one hundred ninety-one".