4781372776 has 8 divisors (see below), whose sum is σ = 8965073970. Its totient is φ = 2390686384.

The previous prime is 4781372759. The next prime is 4781372777. The reversal of 4781372776 is 6772731874.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4584644100 + 196728676 = 67710^2 + 14026^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (4781372777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 298835791 + ... + 298835806.

Almost surely, 2^4781372776 is an apocalyptic number.

It is an amenable number.

4781372776 is a deficient number, since it is larger than the sum of its proper divisors (4183701194).

4781372776 is a wasteful number, since it uses less digits than its factorization.

4781372776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597671603 (or 597671599 counting only the distinct ones).

The product of its digits is 2765952, while the sum is 52.

The square root of 4781372776 is about 69147.4712191270. The cubic root of 4781372776 is about 1684.6804450557.

The spelling of 4781372776 in words is "four billion, seven hundred eighty-one million, three hundred seventy-two thousand, seven hundred seventy-six".