771606001 has 4 divisors (see below), whose sum is σ = 805154112. Its totient is φ = 738057892.

The previous prime is 771605999. The next prime is 771606037. The reversal of 771606001 is 100606177.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 771606001 - 2¹ = 771605999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (771606401) 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, 16774021 + ... + 16774066.

It is an arithmetic number, because the mean of its divisors is an integer number (201288528).

Almost surely, 2^771606001 is an apocalyptic number.

It is an amenable number.

771606001 is a deficient number, since it is larger than the sum of its proper divisors (33548111).

771606001 is a wasteful number, since it uses less digits than its factorization.

771606001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33548110.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 771606001 is about 27777.7969068823. The cubic root of 771606001 is about 917.2024346679.

The spelling of 771606001 in words is "seven hundred seventy-one million, six hundred six thousand, one".