2551228077 has 8 divisors (see below), whose sum is σ = 3452408416. Its totient is φ = 1675433232.

The previous prime is 2551228073. The next prime is 2551228091. The reversal of 2551228077 is 7708221552.

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

It is not a de Polignac number, because 2551228077 - 2² = 2551228073 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 (2551228073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6346138 + ... + 6346539.

It is an arithmetic number, because the mean of its divisors is an integer number (431551052).

Almost surely, 2^2551228077 is an apocalyptic number.

It is an amenable number.

2551228077 is a deficient number, since it is larger than the sum of its proper divisors (901180339).

2551228077 is a wasteful number, since it uses less digits than its factorization.

2551228077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12692747.

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 2551228077 is about 50509.6830023709. The cubic root of 2551228077 is about 1366.4164925047.

The spelling of 2551228077 in words is "two billion, five hundred fifty-one million, two hundred twenty-eight thousand, seventy-seven".