4978658502 has 24 divisors (see below), whose sum is σ = 11354835960. Its totient is φ = 1572207840.

The previous prime is 4978658449. The next prime is 4978658507. The reversal of 4978658502 is 2058568794.

4978658502 is a `hidden beast` number, since 4 + 9 + 7 + 86 + 58 + 502 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978658507) 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, 7278399 + ... + 7279082.

It is an arithmetic number, because the mean of its divisors is an integer number (473118165).

Almost surely, 2^4978658502 is an apocalyptic number.

4978658502 is an abundant number, since it is smaller than the sum of its proper divisors (6376177458).

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

4978658502 is a wasteful number, since it uses less digits than its factorization.

4978658502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14557508 (or 14557505 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The square root of 4978658502 is about 70559.6095652463. The cubic root of 4978658502 is about 1707.5395804517.

The spelling of 4978658502 in words is "four billion, nine hundred seventy-eight million, six hundred fifty-eight thousand, five hundred two".