97279478 has 8 divisors (see below), whose sum is σ = 147283272. Its totient is φ = 48185056.

The previous prime is 97279477. The next prime is 97279499. The reversal of 97279478 is 87497279.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97279477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227075 + ... + 227502.

It is an arithmetic number, because the mean of its divisors is an integer number (18410409).

Almost surely, 2^97279478 is an apocalyptic number.

97279478 is a deficient number, since it is larger than the sum of its proper divisors (50003794).

97279478 is a wasteful number, since it uses less digits than its factorization.

97279478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454686.

The product of its digits is 1778112, while the sum is 53.

The square root of 97279478 is about 9863.0359423455. The cubic root of 97279478 is about 459.9109436923.

The spelling of 97279478 in words is "ninety-seven million, two hundred seventy-nine thousand, four hundred seventy-eight".