3942777954 has 16 divisors (see below), whose sum is σ = 7899568992. Its totient is φ = 1311923808.

The previous prime is 3942777931. The next prime is 3942778003. The reversal of 3942777954 is 4597772493.

It is a happy number.

It is a super-2 number, since 2×3942777954² = 31090995989096852232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3942777894 and 3942777903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580219 + ... + 586974.

It is an arithmetic number, because the mean of its divisors is an integer number (493723062).

Almost surely, 2^3942777954 is an apocalyptic number.

3942777954 is an abundant number, since it is smaller than the sum of its proper divisors (3956791038).

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

3942777954 is a wasteful number, since it uses less digits than its factorization.

3942777954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167761.

The product of its digits is 13335840, while the sum is 57.

The square root of 3942777954 is about 62791.5436503993. The cubic root of 3942777954 is about 1579.7951390109.

The spelling of 3942777954 in words is "three billion, nine hundred forty-two million, seven hundred seventy-seven thousand, nine hundred fifty-four".