1425464887 has 16 divisors (see below), whose sum is σ = 1785053952. Its totient is φ = 1105845120.

The previous prime is 1425464879. The next prime is 1425464899. The reversal of 1425464887 is 7884645241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1425464887 - 2³ = 1425464879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1425464887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425464687) 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, 23298 + ... + 58255.

It is an arithmetic number, because the mean of its divisors is an integer number (111565872).

Almost surely, 2^1425464887 is an apocalyptic number.

1425464887 is a deficient number, since it is larger than the sum of its proper divisors (359589065).

1425464887 is a wasteful number, since it uses less digits than its factorization.

1425464887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81798.

The product of its digits is 1720320, while the sum is 49.

The square root of 1425464887 is about 37755.3292529677. The cubic root of 1425464887 is about 1125.4309162720.

The spelling of 1425464887 in words is "one billion, four hundred twenty-five million, four hundred sixty-four thousand, eight hundred eighty-seven".