478006551 has 12 divisors (see below), whose sum is σ = 753222600. Its totient is φ = 289700880.

The previous prime is 478006531. The next prime is 478006567. The reversal of 478006551 is 155600874.

It is not a de Polignac number, because 478006551 - 2²² = 473812247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478006511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2414076 + ... + 2414273.

It is an arithmetic number, because the mean of its divisors is an integer number (62768550).

Almost surely, 2^478006551 is an apocalyptic number.

478006551 is a deficient number, since it is larger than the sum of its proper divisors (275216049).

478006551 is a wasteful number, since it uses less digits than its factorization.

478006551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4828366 (or 4828363 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 478006551 is about 21863.3609264450. The cubic root of 478006551 is about 781.8881230269. Note that the first 3 decimals are identical.

The spelling of 478006551 in words is "four hundred seventy-eight million, six thousand, five hundred fifty-one".