4578407987 has 8 divisors (see below), whose sum is σ = 4623146880. Its totient is φ = 4533719040.

The previous prime is 4578407983. The next prime is 4578408047. The reversal of 4578407987 is 7897048754.

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

It is a cyclic number.

It is not a de Polignac number, because 4578407987 - 2² = 4578407983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4578407983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187187 + ... + 210227.

It is an arithmetic number, because the mean of its divisors is an integer number (577893360).

Almost surely, 2^4578407987 is an apocalyptic number.

4578407987 is a deficient number, since it is larger than the sum of its proper divisors (44738893).

4578407987 is a wasteful number, since it uses less digits than its factorization.

4578407987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24973.

The product of its (nonzero) digits is 15805440, while the sum is 59.

The square root of 4578407987 is about 67663.9341673243. The cubic root of 4578407987 is about 1660.4972607878.

The spelling of 4578407987 in words is "four billion, five hundred seventy-eight million, four hundred seven thousand, nine hundred eighty-seven".