3916964878 has 8 divisors (see below), whose sum is σ = 5927442768. Its totient is φ = 1941150624.

The previous prime is 3916964873. The next prime is 3916964899. The reversal of 3916964878 is 8784696193.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3916964878² = 30685227710971109768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3916964873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8665626 + ... + 8666077.

It is an arithmetic number, because the mean of its divisors is an integer number (740930346).

Almost surely, 2^3916964878 is an apocalyptic number.

3916964878 is a deficient number, since it is larger than the sum of its proper divisors (2010477890).

3916964878 is a wasteful number, since it uses less digits than its factorization.

3916964878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17331818.

The product of its digits is 15676416, while the sum is 61.

The square root of 3916964878 is about 62585.6603224732. The cubic root of 3916964878 is about 1576.3399871064.

The spelling of 3916964878 in words is "three billion, nine hundred sixteen million, nine hundred sixty-four thousand, eight hundred seventy-eight".