97748818 has 8 divisors (see below), whose sum is σ = 147523248. Its totient is φ = 48574404.

The previous prime is 97748813. The next prime is 97748837. The reversal of 97748818 is 81884779.

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

It is not an unprimeable number, because it can be changed into a prime (97748813) 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, 149596 + ... + 150247.

It is an arithmetic number, because the mean of its divisors is an integer number (18440406).

Almost surely, 2^97748818 is an apocalyptic number.

97748818 is a deficient number, since it is larger than the sum of its proper divisors (49774430).

97748818 is a wasteful number, since it uses less digits than its factorization.

97748818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300008.

The product of its digits is 903168, while the sum is 52.

The square root of 97748818 is about 9886.8001901525. The cubic root of 97748818 is about 460.6493947094.

The spelling of 97748818 in words is "ninety-seven million, seven hundred forty-eight thousand, eight hundred eighteen".