97279560 has 96 divisors (see below), whose sum is σ = 361333440. Its totient is φ = 22234752.

The previous prime is 97279537. The next prime is 97279561. The reversal of 97279560 is 6597279.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (97279561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16782 + ... + 21821.

It is an arithmetic number, because the mean of its divisors is an integer number (3763890).

Almost surely, 2^97279560 is an apocalyptic number.

97279560 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

97279560 is an abundant number, since it is smaller than the sum of its proper divisors (264053880).

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

97279560 is a wasteful number, since it uses less digits than its factorization.

97279560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38627 (or 38620 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 97279560 is about 9863.0400992797. The cubic root of 97279560 is about 459.9110729169.

The spelling of 97279560 in words is "ninety-seven million, two hundred seventy-nine thousand, five hundred sixty".