462878987 has 4 divisors (see below), whose sum is σ = 462928536. Its totient is φ = 462829440.

The previous prime is 462878981. The next prime is 462878989. The reversal of 462878987 is 789878264.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-462878987 is a prime.

It is a super-2 number, since 2×462878987² = 428513913212292338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (462878981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6038 + ... + 31019.

It is an arithmetic number, because the mean of its divisors is an integer number (115732134).

Almost surely, 2^462878987 is an apocalyptic number.

462878987 is a deficient number, since it is larger than the sum of its proper divisors (49549).

462878987 is a wasteful number, since it uses less digits than its factorization.

462878987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49548.

The product of its digits is 10838016, while the sum is 59.

The square root of 462878987 is about 21514.6226320612. The cubic root of 462878987 is about 773.5513622801.

The spelling of 462878987 in words is "four hundred sixty-two million, eight hundred seventy-eight thousand, nine hundred eighty-seven".