97783026545 has 16 divisors (see below), whose sum is σ = 119651738112. Its totient is φ = 76687440960.

The previous prime is 97783026521. The next prime is 97783026553. The reversal of 97783026545 is 54562038779.

It is not a de Polignac number, because 97783026545 - 2¹⁰ = 97783025521 is a prime.

It is a Duffinian 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 in 15 ways as a sum of consecutive naturals, for example, 173240 + ... + 474950.

It is an arithmetic number, because the mean of its divisors is an integer number (7478233632).

Almost surely, 2^97783026545 is an apocalyptic number.

It is an amenable number.

97783026545 is a deficient number, since it is larger than the sum of its proper divisors (21868711567).

97783026545 is a wasteful number, since it uses less digits than its factorization.

97783026545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302992.

The product of its (nonzero) digits is 12700800, while the sum is 56.

The spelling of 97783026545 in words is "ninety-seven billion, seven hundred eighty-three million, twenty-six thousand, five hundred forty-five".