75770798671 has 4 divisors (see below), whose sum is σ = 77532910312. Its totient is φ = 74008687032.

The previous prime is 75770798659. The next prime is 75770798689. The reversal of 75770798671 is 17689707757.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75770798671 - 2¹⁹ = 75770274383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75770798071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881055756 + ... + 881055841.

It is an arithmetic number, because the mean of its divisors is an integer number (19383227578).

Almost surely, 2^75770798671 is an apocalyptic number.

75770798671 is a deficient number, since it is larger than the sum of its proper divisors (1762111641).

75770798671 is a wasteful number, since it uses less digits than its factorization.

75770798671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762111640.

The product of its (nonzero) digits is 36303120, while the sum is 64.

The spelling of 75770798671 in words is "seventy-five billion, seven hundred seventy million, seven hundred ninety-eight thousand, six hundred seventy-one".