97881896 has 16 divisors (see below), whose sum is σ = 209747040. Its totient is φ = 41949360.

The previous prime is 97881893. The next prime is 97881899. The reversal of 97881896 is 69818879.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (97881893) and next prime (97881899).

It is a Harshad number since it is a multiple of its sum of digits (56), and also a Moran number because the ratio is a prime number: 1747891 = 97881896 / (9 + 7 + 8 + 8 + 1 + 8 + 9 + 6).

It is not an unprimeable number, because it can be changed into a prime (97881893) 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, 873890 + ... + 874001.

It is an arithmetic number, because the mean of its divisors is an integer number (13109190).

Almost surely, 2^97881896 is an apocalyptic number.

It is an amenable number.

97881896 is an abundant number, since it is smaller than the sum of its proper divisors (111865144).

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

97881896 is a wasteful number, since it uses less digits than its factorization.

97881896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747904 (or 1747900 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 56.

The square root of 97881896 is about 9893.5279855065. The cubic root of 97881896 is about 460.8583469432.

The spelling of 97881896 in words is "ninety-seven million, eight hundred eighty-one thousand, eight hundred ninety-six".