3979695480 has 64 divisors (see below), whose sum is σ = 12117306240. Its totient is φ = 1045410432.

The previous prime is 3979695457. The next prime is 3979695481. The reversal of 3979695480 is 845969793.

It is a super-2 number, since 2×3979695480² = 31675952227064860800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3979695481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239454 + ... + 255533.

It is an arithmetic number, because the mean of its divisors is an integer number (189332910).

Almost surely, 2^3979695480 is an apocalyptic number.

3979695480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3979695480 is an abundant number, since it is smaller than the sum of its proper divisors (8137610760).

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

3979695480 is a wasteful number, since it uses less digits than its factorization.

3979695480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495068 (or 495064 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 60.

The square root of 3979695480 is about 63084.8276529309. The cubic root of 3979695480 is about 1584.7105429947.

The spelling of 3979695480 in words is "three billion, nine hundred seventy-nine million, six hundred ninety-five thousand, four hundred eighty".