1952022977 has 4 divisors (see below), whose sum is σ = 2066847876. Its totient is φ = 1837198080.

The previous prime is 1952022953. The next prime is 1952022983. The reversal of 1952022977 is 7792202591.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1022016961 + 930006016 = 31969^2 + 30496^2 .

It is a cyclic number.

It is not a de Polignac number, because 1952022977 - 2²⁰ = 1950974401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1952042977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57412424 + ... + 57412457.

It is an arithmetic number, because the mean of its divisors is an integer number (516711969).

Almost surely, 2^1952022977 is an apocalyptic number.

1952022977 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1952022977 is a deficient number, since it is larger than the sum of its proper divisors (114824899).

1952022977 is a wasteful number, since it uses less digits than its factorization.

1952022977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114824898.

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 1952022977 is about 44181.7040979634. The cubic root of 1952022977 is about 1249.7648575292.

The spelling of 1952022977 in words is "one billion, nine hundred fifty-two million, twenty-two thousand, nine hundred seventy-seven".