97067915 has 16 divisors (see below), whose sum is σ = 133926912. Its totient is φ = 66158304.

The previous prime is 97067891. The next prime is 97067917. The reversal of 97067915 is 51976079.

It is a cyclic number.

It is not a de Polignac number, because 97067915 - 2¹² = 97063819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97067917) 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 15 ways as a sum of consecutive naturals, for example, 2459 + ... + 14148.

It is an arithmetic number, because the mean of its divisors is an integer number (8370432).

Almost surely, 2^97067915 is an apocalyptic number.

97067915 is a deficient number, since it is larger than the sum of its proper divisors (36858997).

97067915 is a wasteful number, since it uses less digits than its factorization.

97067915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16786.

The product of its (nonzero) digits is 119070, while the sum is 44.

The square root of 97067915 is about 9852.3050602384. The cubic root of 97067915 is about 459.5772975753.

The spelling of 97067915 in words is "ninety-seven million, sixty-seven thousand, nine hundred fifteen".