2046778077 has 8 divisors (see below), whose sum is σ = 2729401920. Its totient is φ = 1364336480.

The previous prime is 2046778067. The next prime is 2046778093. The reversal of 2046778077 is 7708776402.

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

It is a cyclic number.

It is not a de Polignac number, because 2046778077 - 2⁴ = 2046778061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2046778067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16752 + ... + 66137.

It is an arithmetic number, because the mean of its divisors is an integer number (341175240).

Almost surely, 2^2046778077 is an apocalyptic number.

It is an amenable number.

2046778077 is a deficient number, since it is larger than the sum of its proper divisors (682623843).

2046778077 is an equidigital number, since it uses as much as digits as its factorization.

2046778077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91123.

The product of its (nonzero) digits is 921984, while the sum is 48.

The square root of 2046778077 is about 45241.3315122356. The cubic root of 2046778077 is about 1269.6682285864.

The spelling of 2046778077 in words is "two billion, forty-six million, seven hundred seventy-eight thousand, seventy-seven".