478137951 has 8 divisors (see below), whose sum is σ = 708352560. Its totient is φ = 318758616.

The previous prime is 478137949. The next prime is 478137977. The reversal of 478137951 is 159731874.

It is not a de Polignac number, because 478137951 - 2¹ = 478137949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 478137897 and 478137906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478137901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8854380 + ... + 8854433.

It is an arithmetic number, because the mean of its divisors is an integer number (88544070).

Almost surely, 2^478137951 is an apocalyptic number.

478137951 is a deficient number, since it is larger than the sum of its proper divisors (230214609).

478137951 is a wasteful number, since it uses less digits than its factorization.

478137951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17708822 (or 17708816 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 478137951 is about 21866.3657474213. The cubic root of 478137951 is about 781.9597612967.

The spelling of 478137951 in words is "four hundred seventy-eight million, one hundred thirty-seven thousand, nine hundred fifty-one".