97478311 has 8 divisors (see below), whose sum is σ = 111646080. Its totient is φ = 83371128.

The previous prime is 97478299. The next prime is 97478321. The reversal of 97478311 is 11387479.

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

It is a cyclic number.

It is not a de Polignac number, because 97478311 - 2¹¹ = 97476263 is a prime.

It is a super-2 number, since 2×97478311² = 19004042230825442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97478321) 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 7 ways as a sum of consecutive naturals, for example, 11641 + ... + 18178.

It is an arithmetic number, because the mean of its divisors is an integer number (13955760).

Almost surely, 2^97478311 is an apocalyptic number.

97478311 is a deficient number, since it is larger than the sum of its proper divisors (14167769).

97478311 is a wasteful number, since it uses less digits than its factorization.

97478311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30293.

The product of its digits is 42336, while the sum is 40.

The square root of 97478311 is about 9873.1105027747. The cubic root of 97478311 is about 460.2240732523.

The spelling of 97478311 in words is "ninety-seven million, four hundred seventy-eight thousand, three hundred eleven".