1771795056 has 40 divisors (see below), whose sum is σ = 4579064064. Its totient is φ = 590349760.

The previous prime is 1771795013. The next prime is 1771795057. The reversal of 1771795056 is 6505971771.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1771794996 and 1771795014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1771795057) 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, 134191 + ... + 146801.

Almost surely, 2^1771795056 is an apocalyptic number.

1771795056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1771795056 is an abundant number, since it is smaller than the sum of its proper divisors (2807269008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1771795056 is a wasteful number, since it uses less digits than its factorization.

1771795056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15549 (or 15543 counting only the distinct ones).

The product of its (nonzero) digits is 463050, while the sum is 48.

The square root of 1771795056 is about 42092.6959934856. The cubic root of 1771795056 is about 1210.0532854525.

The spelling of 1771795056 in words is "one billion, seven hundred seventy-one million, seven hundred ninety-five thousand, fifty-six".