97098155438 has 4 divisors (see below), whose sum is σ = 145647233160. Its totient is φ = 48549077718.

The previous prime is 97098155423. The next prime is 97098155449. The reversal of 97098155438 is 83455189079.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 24274538858 + ... + 24274538861.

It is an arithmetic number, because the mean of its divisors is an integer number (36411808290).

Almost surely, 2^97098155438 is an apocalyptic number.

97098155438 is a deficient number, since it is larger than the sum of its proper divisors (48549077722).

97098155438 is a wasteful number, since it uses less digits than its factorization.

97098155438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48549077721.

The product of its (nonzero) digits is 10886400, while the sum is 59.

The spelling of 97098155438 in words is "ninety-seven billion, ninety-eight million, one hundred fifty-five thousand, four hundred thirty-eight".