97280379 has 16 divisors (see below), whose sum is σ = 164707840. Its totient is φ = 55588680.

The previous prime is 97280377. The next prime is 97280383. The reversal of 97280379 is 97308279.

It is not a de Polignac number, because 97280379 - 2¹ = 97280377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97280377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257167 + ... + 257544.

It is an arithmetic number, because the mean of its divisors is an integer number (10294240).

Almost surely, 2^97280379 is an apocalyptic number.

97280379 is a deficient number, since it is larger than the sum of its proper divisors (67427461).

97280379 is a wasteful number, since it uses less digits than its factorization.

97280379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514727 (or 514721 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 97280379 is about 9863.0816178312. The cubic root of 97280379 is about 459.9123635824.

The spelling of 97280379 in words is "ninety-seven million, two hundred eighty thousand, three hundred seventy-nine".