44780376977 has 4 divisors (see below), whose sum is σ = 51177573696. Its totient is φ = 38383180260.

The previous prime is 44780376973. The next prime is 44780376989. The reversal of 44780376977 is 77967308744.

44780376977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 44780376977 - 2² = 44780376973 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44780376973) 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, 3198598349 + ... + 3198598362.

It is an arithmetic number, because the mean of its divisors is an integer number (12794393424).

Almost surely, 2^44780376977 is an apocalyptic number.

It is an amenable number.

44780376977 is a deficient number, since it is larger than the sum of its proper divisors (6397196719).

44780376977 is an equidigital number, since it uses as much as digits as its factorization.

44780376977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6397196718.

The product of its (nonzero) digits is 49787136, while the sum is 62.

The spelling of 44780376977 in words is "forty-four billion, seven hundred eighty million, three hundred seventy-six thousand, nine hundred seventy-seven".