97061785 has 16 divisors (see below), whose sum is σ = 124689600. Its totient is φ = 72311616.

The previous prime is 97061737. The next prime is 97061791. The reversal of 97061785 is 58716079.

It is a cyclic number.

It is not a de Polignac number, because 97061785 - 2¹¹ = 97059737 is a prime.

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 in 15 ways as a sum of consecutive naturals, for example, 3054 + ... + 14263.

It is an arithmetic number, because the mean of its divisors is an integer number (7793100).

Almost surely, 2^97061785 is an apocalyptic number.

97061785 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

97061785 is a deficient number, since it is larger than the sum of its proper divisors (27627815).

97061785 is a wasteful number, since it uses less digits than its factorization.

97061785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17400.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 97061785 is about 9851.9939606153. The cubic root of 97061785 is about 459.5676230152.

The spelling of 97061785 in words is "ninety-seven million, sixty-one thousand, seven hundred eighty-five".