775550761427 has 8 divisors (see below), whose sum is σ = 837686880576. Its totient is φ = 713768694912.

The previous prime is 775550761373. The next prime is 775550761441. The reversal of 775550761427 is 724167055577.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 775550761427 - 2¹⁰ = 775550760403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (775550731427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88508603 + ... + 88517364.

It is an arithmetic number, because the mean of its divisors is an integer number (104710860072).

Almost surely, 2^775550761427 is an apocalyptic number.

775550761427 is a deficient number, since it is larger than the sum of its proper divisors (62136119149).

775550761427 is a wasteful number, since it uses less digits than its factorization.

775550761427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177026317.

The product of its (nonzero) digits is 14406000, while the sum is 56.

The spelling of 775550761427 in words is "seven hundred seventy-five billion, five hundred fifty million, seven hundred sixty-one thousand, four hundred twenty-seven".