4987117894 has 16 divisors (see below), whose sum is σ = 8219453760. Its totient is φ = 2250561960.

The previous prime is 4987117873. The next prime is 4987117897.

4987117894 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4987117897) 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, 812364 + ... + 818479.

It is an arithmetic number, because the mean of its divisors is an integer number (513715860).

Almost surely, 2^4987117894 is an apocalyptic number.

4987117894 is a deficient number, since it is larger than the sum of its proper divisors (3232335866).

4987117894 is a wasteful number, since it uses less digits than its factorization.

4987117894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630995.

The product of its digits is 4064256, while the sum is 58.

The square root of 4987117894 is about 70619.5291261560. The cubic root of 4987117894 is about 1708.5061442495.

It can be divided in two parts, 498711 and 7894, that added together give a palindrome (506605).

The spelling of 4987117894 in words is "four billion, nine hundred eighty-seven million, one hundred seventeen thousand, eight hundred ninety-four".