431478414587 has 16 divisors (see below), whose sum is σ = 520061409792. Its totient is φ = 353128110720.

The previous prime is 431478414583. The next prime is 431478414607. The reversal of 431478414587 is 785414874134.

It is a happy number.

It is not a de Polignac number, because 431478414587 - 2² = 431478414583 is a prime.

It is a super-2 number, since 2×431478414587² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431478414583) 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, 50155943 + ... + 50164544.

It is an arithmetic number, because the mean of its divisors is an integer number (32503838112).

Almost surely, 2^431478414587 is an apocalyptic number.

431478414587 is a deficient number, since it is larger than the sum of its proper divisors (88582995205).

431478414587 is a wasteful number, since it uses less digits than its factorization.

431478414587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100320538.

The product of its digits is 12042240, while the sum is 56.

The spelling of 431478414587 in words is "four hundred thirty-one billion, four hundred seventy-eight million, four hundred fourteen thousand, five hundred eighty-seven".