3947077854 has 24 divisors (see below), whose sum is σ = 8554669032. Its totient is φ = 1315282320.

The previous prime is 3947077853. The next prime is 3947077861. The reversal of 3947077854 is 4587707493.

It is a self number, because there is not a number n which added to its sum of digits gives 3947077854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3947077853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28209 + ... + 93219.

It is an arithmetic number, because the mean of its divisors is an integer number (356444543).

Almost surely, 2^3947077854 is an apocalyptic number.

3947077854 is an abundant number, since it is smaller than the sum of its proper divisors (4607591178).

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

3947077854 is a wasteful number, since it uses less digits than its factorization.

3947077854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68392 (or 68389 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The square root of 3947077854 is about 62825.7738034320. The cubic root of 3947077854 is about 1580.3692260529.

The spelling of 3947077854 in words is "three billion, nine hundred forty-seven million, seventy-seven thousand, eight hundred fifty-four".