75840545465 has 16 divisors (see below), whose sum is σ = 91940600640. Its totient is φ = 60053780160.

The previous prime is 75840545447. The next prime is 75840545507. The reversal of 75840545465 is 56454504857.

It is not a de Polignac number, because 75840545465 - 2²⁴ = 75823768249 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65207 + ... + 394883.

It is an arithmetic number, because the mean of its divisors is an integer number (5746287540).

Almost surely, 2^75840545465 is an apocalyptic number.

It is an amenable number.

75840545465 is a deficient number, since it is larger than the sum of its proper divisors (16100055175).

75840545465 is a wasteful number, since it uses less digits than its factorization.

75840545465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330152.

The product of its (nonzero) digits is 13440000, while the sum is 53.

The spelling of 75840545465 in words is "seventy-five billion, eight hundred forty million, five hundred forty-five thousand, four hundred sixty-five".