4778047624 has 40 divisors (see below), whose sum is σ = 10451399310. Its totient is φ = 2047726464.

The previous prime is 4778047619. The next prime is 4778047661. The reversal of 4778047624 is 4267408774.

It can be written as a sum of positive squares in only one way, i.e., 3354494724 + 1423552900 = 57918^2 + 37730^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 105169 + ... + 143584.

Almost surely, 2^4778047624 is an apocalyptic number.

It is an amenable number.

4778047624 is an abundant number, since it is smaller than the sum of its proper divisors (5673351686).

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

4778047624 is an equidigital number, since it uses as much as digits as its factorization.

4778047624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248787 (or 248762 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 49.

The square root of 4778047624 is about 69123.4231212546. The cubic root of 4778047624 is about 1684.2898237920.

The spelling of 4778047624 in words is "four billion, seven hundred seventy-eight million, forty-seven thousand, six hundred twenty-four".