7977441 has 8 divisors (see below), whose sum is σ = 10657504. Its totient is φ = 5307840.

The previous prime is 7977433. The next prime is 7977443. The reversal of 7977441 is 1447797.

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

It is not a de Polignac number, because 7977441 - 2³ = 7977433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7977441.

It is not an unprimeable number, because it can be changed into a prime (7977443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616 + ... + 4041.

It is an arithmetic number, because the mean of its divisors is an integer number (1332188).

Almost surely, 2^7977441 is an apocalyptic number.

It is an amenable number.

7977441 is a deficient number, since it is larger than the sum of its proper divisors (2680063).

7977441 is a wasteful number, since it uses less digits than its factorization.

7977441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5231.

The product of its digits is 49392, while the sum is 39.

The square root of 7977441 is about 2824.4364039574. The cubic root of 7977441 is about 199.8118313517.

The spelling of 7977441 in words is "seven million, nine hundred seventy-seven thousand, four hundred forty-one".