75955011977 has 16 divisors (see below), whose sum is σ = 87127996032. Its totient is φ = 65592894720.

The previous prime is 75955011967. The next prime is 75955012013. The reversal of 75955011977 is 77911055957.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 75955011977 - 2²⁴ = 75938234761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75955011917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 992099 + ... + 1065912.

It is an arithmetic number, because the mean of its divisors is an integer number (5445499752).

Almost surely, 2^75955011977 is an apocalyptic number.

It is an amenable number.

75955011977 is a deficient number, since it is larger than the sum of its proper divisors (11172984055).

75955011977 is a wasteful number, since it uses less digits than its factorization.

75955011977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058208.

The product of its (nonzero) digits is 3472875, while the sum is 56.

The spelling of 75955011977 in words is "seventy-five billion, nine hundred fifty-five million, eleven thousand, nine hundred seventy-seven".