383772701077 has 4 divisors (see below), whose sum is σ = 383774088940. Its totient is φ = 383771313216.

The previous prime is 383772701029. The next prime is 383772701101. The reversal of 383772701077 is 770107277383.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 770107277383 = 6421 ⋅119935723.

It can be written as a sum of positive squares in 2 ways, for example, as 38885473636 + 344887227441 = 197194^2 + 587271^2 .

It is a cyclic number.

It is not a de Polignac number, because 383772701077 - 2¹⁹ = 383772176789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383772761077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122052 + ... + 884557.

It is an arithmetic number, because the mean of its divisors is an integer number (95943522235).

Almost surely, 2^383772701077 is an apocalyptic number.

It is an amenable number.

383772701077 is a deficient number, since it is larger than the sum of its proper divisors (1387863).

383772701077 is a wasteful number, since it uses less digits than its factorization.

383772701077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387862.

The product of its (nonzero) digits is 2420208, while the sum is 52.

The spelling of 383772701077 in words is "three hundred eighty-three billion, seven hundred seventy-two million, seven hundred one thousand, seventy-seven".