97863255 has 64 divisors (see below), whose sum is σ = 205747200. Its totient is φ = 43182720.

The previous prime is 97863253. The next prime is 97863257. The reversal of 97863255 is 55236879.

It is a happy number.

97863255 is a `hidden beast` number, since 9 + 7 + 8 + 632 + 5 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (97863253) and next prime (97863257).

It is not a de Polignac number, because 97863255 - 2¹ = 97863253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 97863255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97863253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25620 + ... + 29190.

It is an arithmetic number, because the mean of its divisors is an integer number (3214800).

Almost surely, 2^97863255 is an apocalyptic number.

97863255 is an abundant number, since it is smaller than the sum of its proper divisors (107883945).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97863255 is a wasteful number, since it uses less digits than its factorization.

97863255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3621 (or 3615 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 97863255 is about 9892.5858601278. The cubic root of 97863255 is about 460.8290892145.

It can be divided in two parts, 9786 and 3255, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 97863255 in words is "ninety-seven million, eight hundred sixty-three thousand, two hundred fifty-five".