97775542 has 8 divisors (see below), whose sum is σ = 147033936. Its totient is φ = 48764232.

The previous prime is 97775533. The next prime is 97775627. The reversal of 97775542 is 24557779.

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

It is a super-2 number, since 2×97775542² = 19120113226787528, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 97775492 and 97775501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60778 + ... + 62365.

It is an arithmetic number, because the mean of its divisors is an integer number (18379242).

Almost surely, 2^97775542 is an apocalyptic number.

97775542 is a deficient number, since it is larger than the sum of its proper divisors (49258394).

97775542 is a wasteful number, since it uses less digits than its factorization.

97775542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123542.

The product of its digits is 617400, while the sum is 46.

The square root of 97775542 is about 9888.1515967343. The cubic root of 97775542 is about 460.6913705716.

The spelling of 97775542 in words is "ninety-seven million, seven hundred seventy-five thousand, five hundred forty-two".