2451777772 has 12 divisors (see below), whose sum is σ = 4293636256. Its totient is φ = 1225024560.

The previous prime is 2451777749. The next prime is 2451777773. The reversal of 2451777772 is 2777771542.

It is a super-2 number, since 2×2451777772² = 12022428486546567968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2451777773) 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 3 ways as a sum of consecutive naturals, for example, 209679 + ... + 221062.

Almost surely, 2^2451777772 is an apocalyptic number.

It is an amenable number.

2451777772 is a deficient number, since it is larger than the sum of its proper divisors (1841858484).

2451777772 is a wasteful number, since it uses less digits than its factorization.

2451777772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432168 (or 432166 counting only the distinct ones).

The product of its digits is 1344560, while the sum is 49.

The square root of 2451777772 is about 49515.4296356196. The cubic root of 2451777772 is about 1348.4257409824.

The spelling of 2451777772 in words is "two billion, four hundred fifty-one million, seven hundred seventy-seven thousand, seven hundred seventy-two".