4778610038587 has 24 divisors (see below), whose sum is σ = 6209877996000. Its totient is φ = 3595192487040.

The previous prime is 4778610038569. The next prime is 4778610038591. The reversal of 4778610038587 is 7858300168774.

It is a de Polignac number, because none of the positive numbers 2^k-4778610038587 is a prime.

It is a super-2 number, since 2×4778610038587² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4778610038597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97247962 + ... + 97297087.

It is an arithmetic number, because the mean of its divisors is an integer number (258744916500).

Almost surely, 2^{4778610038587} is an apocalyptic number.

4778610038587 is a deficient number, since it is larger than the sum of its proper divisors (1431267957413).

4778610038587 is a wasteful number, since it uses less digits than its factorization.

4778610038587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194545107 (or 194545096 counting only the distinct ones).

The product of its (nonzero) digits is 63221760, while the sum is 64.

The spelling of 4778610038587 in words is "four trillion, seven hundred seventy-eight billion, six hundred ten million, thirty-eight thousand, five hundred eighty-seven".