6405072377 has 16 divisors (see below), whose sum is σ = 7092593280. Its totient is φ = 5735251200.

The previous prime is 6405072367. The next prime is 6405072379. The reversal of 6405072377 is 7732705046.

It is a cyclic number.

It is not a de Polignac number, because 6405072377 - 2²² = 6400878073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6405072379) 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, 956513 + ... + 963185.

It is an arithmetic number, because the mean of its divisors is an integer number (443287080).

Almost surely, 2^6405072377 is an apocalyptic number.

It is an amenable number.

6405072377 is a deficient number, since it is larger than the sum of its proper divisors (687520903).

6405072377 is a wasteful number, since it uses less digits than its factorization.

6405072377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7984.

The product of its (nonzero) digits is 246960, while the sum is 41.

The square root of 6405072377 is about 80031.6960772418. The cubic root of 6405072377 is about 1857.1259015953.

The spelling of 6405072377 in words is "six billion, four hundred five million, seventy-two thousand, three hundred seventy-seven".