97181264 has 10 divisors (see below), whose sum is σ = 188288730. Its totient is φ = 48590624.

The previous prime is 97181251. The next prime is 97181267. The reversal of 97181264 is 46218179.

It can be written as a sum of positive squares in only one way, i.e., 70224400 + 26956864 = 8380^2 + 5192^2 .

It is a super-3 number, since 3×97181264³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97181267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3036899 + ... + 3036930.

It is an arithmetic number, because the mean of its divisors is an integer number (18828873).

Almost surely, 2^97181264 is an apocalyptic number.

It is an amenable number.

97181264 is a deficient number, since it is larger than the sum of its proper divisors (91107466).

97181264 is a wasteful number, since it uses less digits than its factorization.

97181264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6073837 (or 6073831 counting only the distinct ones).

The product of its digits is 24192, while the sum is 38.

The square root of 97181264 is about 9858.0557920921. The cubic root of 97181264 is about 459.7561152054.

The spelling of 97181264 in words is "ninety-seven million, one hundred eighty-one thousand, two hundred sixty-four".