4978386950 has 48 divisors (see below), whose sum is σ = 9344235264. Its totient is φ = 1973268000.

The previous prime is 4978386863. The next prime is 4978386977. The reversal of 4978386950 is 596838794.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4978386950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5488397 + ... + 5489303.

It is an arithmetic number, because the mean of its divisors is an integer number (194671568).

Almost surely, 2^4978386950 is an apocalyptic number.

4978386950 is a deficient number, since it is larger than the sum of its proper divisors (4365848314).

4978386950 is a wasteful number, since it uses less digits than its factorization.

4978386950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797 (or 1792 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 59.

The square root of 4978386950 is about 70557.6852653203. The cubic root of 4978386950 is about 1707.5085349925.

The spelling of 4978386950 in words is "four billion, nine hundred seventy-eight million, three hundred eighty-six thousand, nine hundred fifty".