1977162341 has 8 divisors (see below), whose sum is σ = 2465033664. Its totient is φ = 1540645920.

The previous prime is 1977162331. The next prime is 1977162367. The reversal of 1977162341 is 1432617791.

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

It is not a de Polignac number, because 1977162341 - 2¹⁴ = 1977145957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1977162331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12838640 + ... + 12838793.

It is an arithmetic number, because the mean of its divisors is an integer number (308129208).

Almost surely, 2^1977162341 is an apocalyptic number.

1977162341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1977162341 is a deficient number, since it is larger than the sum of its proper divisors (487871323).

1977162341 is a wasteful number, since it uses less digits than its factorization.

1977162341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25677451.

The product of its digits is 63504, while the sum is 41.

The square root of 1977162341 is about 44465.2936682082. The cubic root of 1977162341 is about 1255.1070719164.

The spelling of 1977162341 in words is "one billion, nine hundred seventy-seven million, one hundred sixty-two thousand, three hundred forty-one".