97478901 has 24 divisors (see below), whose sum is σ = 160556760. Its totient is φ = 56457216.

The previous prime is 97478863. The next prime is 97478917. The reversal of 97478901 is 10987479.

97478901 is a `hidden beast` number, since 97 + 478 + 90 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 62001 + 97416900 = 249^2 + 9870^2 .

It is not a de Polignac number, because 97478901 - 2⁹ = 97478389 is a prime.

It is a super-2 number, since 2×97478901² = 19004272280335602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97471901) 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 23 ways as a sum of consecutive naturals, for example, 22516 + ... + 26493.

It is an arithmetic number, because the mean of its divisors is an integer number (6689865).

Almost surely, 2^97478901 is an apocalyptic number.

It is an amenable number.

97478901 is a deficient number, since it is larger than the sum of its proper divisors (63077859).

97478901 is a wasteful number, since it uses less digits than its factorization.

97478901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49045 (or 49042 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 97478901 is about 9873.1403818643. The cubic root of 97478901 is about 460.2250017722.

The spelling of 97478901 in words is "ninety-seven million, four hundred seventy-eight thousand, nine hundred one".