4861772928 has 96 divisors (see below), whose sum is σ = 14508508560. Its totient is φ = 1620580608.

The previous prime is 4861772921. The next prime is 4861772969. The reversal of 4861772928 is 8292771684.

It is a happy number.

4861772928 is a `hidden beast` number, since 486 + 1 + 7 + 72 + 92 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (4861772921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47050 + ... + 109257.

Almost surely, 2^4861772928 is an apocalyptic number.

4861772928 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4861772928 is an abundant number, since it is smaller than the sum of its proper divisors (9646735632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4861772928 is an equidigital number, since it uses as much as digits as its factorization.

4861772928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156336 (or 156312 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 4861772928 is about 69726.4148511882. The cubic root of 4861772928 is about 1694.0708009105.

The spelling of 4861772928 in words is "four billion, eight hundred sixty-one million, seven hundred seventy-two thousand, nine hundred twenty-eight".