97803247 has 4 divisors (see below), whose sum is σ = 100446616. Its totient is φ = 95159880.

The previous prime is 97803217. The next prime is 97803253. The reversal of 97803247 is 74230879.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97803247 - 2¹⁹ = 97278959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97803217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1321629 + ... + 1321702.

It is an arithmetic number, because the mean of its divisors is an integer number (25111654).

Almost surely, 2^97803247 is an apocalyptic number.

97803247 is a deficient number, since it is larger than the sum of its proper divisors (2643369).

97803247 is a wasteful number, since it uses less digits than its factorization.

97803247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643368.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 97803247 is about 9889.5524165657. The cubic root of 97803247 is about 460.7348792338.

The spelling of 97803247 in words is "ninety-seven million, eight hundred three thousand, two hundred forty-seven".