3977637462 has 16 divisors (see below), whose sum is σ = 8839194480. Its totient is φ = 1325879136.

The previous prime is 3977637437. The next prime is 3977637467. The reversal of 3977637462 is 2647367793.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 73659953 = 3977637462 / (3 + 9 + 7 + 7 + 6 + 3 + 7 + 4 + 6 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 3977637399 and 3977637408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3977637467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36829923 + ... + 36830030.

It is an arithmetic number, because the mean of its divisors is an integer number (552449655).

Almost surely, 2^3977637462 is an apocalyptic number.

3977637462 is an abundant number, since it is smaller than the sum of its proper divisors (4861557018).

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

3977637462 is a wasteful number, since it uses less digits than its factorization.

3977637462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73659964 (or 73659958 counting only the distinct ones).

The product of its digits is 8001504, while the sum is 54.

The square root of 3977637462 is about 63068.5140303781. The cubic root of 3977637462 is about 1584.4373290279.

The spelling of 3977637462 in words is "three billion, nine hundred seventy-seven million, six hundred thirty-seven thousand, four hundred sixty-two".