97144766 has 8 divisors (see below), whose sum is σ = 154288800. Its totient is φ = 45715168.

The previous prime is 97144763. The next prime is 97144769. The reversal of 97144766 is 66744179.

It is an interprime number because it is at equal distance from previous prime (97144763) and next prime (97144769).

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

It is a super-2 number, since 2×97144766² = 18874211122389512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97144763) 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 3 ways as a sum of consecutive naturals, for example, 1428566 + ... + 1428633.

It is an arithmetic number, because the mean of its divisors is an integer number (19286100).

Almost surely, 2^97144766 is an apocalyptic number.

97144766 is a deficient number, since it is larger than the sum of its proper divisors (57144034).

97144766 is a wasteful number, since it uses less digits than its factorization.

97144766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857218.

The product of its digits is 254016, while the sum is 44.

The square root of 97144766 is about 9856.2044418731. The cubic root of 97144766 is about 459.6985517097.

The spelling of 97144766 in words is "ninety-seven million, one hundred forty-four thousand, seven hundred sixty-six".