8400765560427 has 24 divisors (see below), whose sum is σ = 12584023619440. Its totient is φ = 5600438807040.

The previous prime is 8400765560419. The next prime is 8400765560431. The reversal of 8400765560427 is 7240655670048.

It is a happy number.

8400765560427 is a `hidden beast` number, since 8 + 4 + 0 + 0 + 7 + 6 + 5 + 5 + 604 + 27 = 666.

It is not a de Polignac number, because 8400765560427 - 2³ = 8400765560419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8400765560497) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24528699 + ... + 24868827.

Almost surely, 2^{8400765560427} is an apocalyptic number.

8400765560427 is a deficient number, since it is larger than the sum of its proper divisors (4183258059013).

8400765560427 is a wasteful number, since it uses less digits than its factorization.

8400765560427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441785 (or 441773 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 54.

The spelling of 8400765560427 in words is "eight trillion, four hundred billion, seven hundred sixty-five million, five hundred sixty thousand, four hundred twenty-seven".