1920007629977 has 4 divisors (see below), whose sum is σ = 1952550132240. Its totient is φ = 1887465127716.

The previous prime is 1920007629973. The next prime is 1920007630063. The reversal of 1920007629977 is 7799267000291.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1920007629977 - 2² = 1920007629973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59), and also a Moran number because the ratio is a prime number: 32542502203 = 1920007629977 / (1 + 9 + 2 + 0 + 0 + 0 + 7 + 6 + 2 + 9 + 9 + 7 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1920007629971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16271251043 + ... + 16271251160.

It is an arithmetic number, because the mean of its divisors is an integer number (488137533060).

Almost surely, 2^{1920007629977} is an apocalyptic number.

It is an amenable number.

1920007629977 is a deficient number, since it is larger than the sum of its proper divisors (32542502263).

1920007629977 is an equidigital number, since it uses as much as digits as its factorization.

1920007629977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32542502262.

The product of its (nonzero) digits is 6001128, while the sum is 59.

The spelling of 1920007629977 in words is "one trillion, nine hundred twenty billion, seven million, six hundred twenty-nine thousand, nine hundred seventy-seven".