3903354978 has 16 divisors (see below), whose sum is σ = 8146132416. Its totient is φ = 1244547920.

The previous prime is 3903354953. The next prime is 3903355031. The reversal of 3903354978 is 8794533093.

It is a self number, because there is not a number n which added to its sum of digits gives 3903354978.

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, 14142453 + ... + 14142728.

It is an arithmetic number, because the mean of its divisors is an integer number (509133276).

Almost surely, 2^3903354978 is an apocalyptic number.

3903354978 is an abundant number, since it is smaller than the sum of its proper divisors (4242777438).

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

3903354978 is a wasteful number, since it uses less digits than its factorization.

3903354978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28285209.

The product of its (nonzero) digits is 2449440, while the sum is 51.

The square root of 3903354978 is about 62476.8355312591. The cubic root of 3903354978 is about 1574.5121496364.

The spelling of 3903354978 in words is "three billion, nine hundred three million, three hundred fifty-four thousand, nine hundred seventy-eight".