97798995 has 56 divisors (see below), whose sum is σ = 201146976. Its totient is φ = 44696448.

The previous prime is 97798993. The next prime is 97798999. The reversal of 97798995 is 59989779.

It is not a de Polignac number, because 97798995 - 2¹ = 97798993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (97798993) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 23599 + ... + 27431.

Almost surely, 2^97798995 is an apocalyptic number.

97798995 is an abundant number, since it is smaller than the sum of its proper divisors (103347981).

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

97798995 is an equidigital number, since it uses as much as digits as its factorization.

97798995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863 (or 3848 counting only the distinct ones).

The product of its digits is 12859560, while the sum is 63.

The square root of 97798995 is about 9889.3374398895. The cubic root of 97798995 is about 460.7282023147.

The spelling of 97798995 in words is "ninety-seven million, seven hundred ninety-eight thousand, nine hundred ninety-five".