97783498 has 4 divisors (see below), whose sum is σ = 146675250. Its totient is φ = 48891748.

The previous prime is 97783487. The next prime is 97783501. The reversal of 97783498 is 89438779.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 84584809 + 13198689 = 9197^2 + 3633^2 .

It is a super-2 number, since 2×97783498² = 19123224962232008, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 24445873 + ... + 24445876.

Almost surely, 2^97783498 is an apocalyptic number.

97783498 is a deficient number, since it is larger than the sum of its proper divisors (48891752).

97783498 is a wasteful number, since it uses less digits than its factorization.

97783498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48891751.

The product of its digits is 3048192, while the sum is 55.

The square root of 97783498 is about 9888.5538882083. The cubic root of 97783498 is about 460.7038657248.

The spelling of 97783498 in words is "ninety-seven million, seven hundred eighty-three thousand, four hundred ninety-eight".