771430461 has 16 divisors (see below), whose sum is σ = 1052396928. Its totient is φ = 502488000.

The previous prime is 771430453. The next prime is 771430481. The reversal of 771430461 is 164034177.

It is not a de Polignac number, because 771430461 - 2³ = 771430453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (771430441) 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, 13675 + ... + 41591.

It is an arithmetic number, because the mean of its divisors is an integer number (65774808).

Almost surely, 2^771430461 is an apocalyptic number.

It is an amenable number.

771430461 is a deficient number, since it is larger than the sum of its proper divisors (280966467).

771430461 is a wasteful number, since it uses less digits than its factorization.

771430461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28132.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 771430461 is about 27774.6370093292. The cubic root of 771430461 is about 917.1328750194.

The spelling of 771430461 in words is "seven hundred seventy-one million, four hundred thirty thousand, four hundred sixty-one".