4920657478 has 16 divisors (see below), whose sum is σ = 8092454400. Its totient is φ = 2225421000.

The previous prime is 4920657457. The next prime is 4920657509. The reversal of 4920657478 is 8747560294.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557598 + ... + 566353.

It is an arithmetic number, because the mean of its divisors is an integer number (505778400).

Almost surely, 2^4920657478 is an apocalyptic number.

4920657478 is a deficient number, since it is larger than the sum of its proper divisors (3171796922).

4920657478 is a wasteful number, since it uses less digits than its factorization.

4920657478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124163.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The square root of 4920657478 is about 70147.3982268765. The cubic root of 4920657478 is about 1700.8827569881.

The spelling of 4920657478 in words is "four billion, nine hundred twenty million, six hundred fifty-seven thousand, four hundred seventy-eight".