478071451 has 32 divisors (see below), whose sum is σ = 581188608. Its totient is φ = 387459840.

The previous prime is 478071443. The next prime is 478071469. The reversal of 478071451 is 154170874.

It is a cyclic number.

It is not a de Polignac number, because 478071451 - 2³ = 478071443 is a prime.

It is a super-2 number, since 2×478071451² = 457104624522490802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 478071451.

It is not an unprimeable number, because it can be changed into a prime (478072451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 557415 + ... + 558271.

It is an arithmetic number, because the mean of its divisors is an integer number (18162144).

Almost surely, 2^478071451 is an apocalyptic number.

478071451 is a deficient number, since it is larger than the sum of its proper divisors (103117157).

478071451 is a wasteful number, since it uses less digits than its factorization.

478071451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 478071451 is about 21864.8450943518. The cubic root of 478071451 is about 781.9235076485.

The spelling of 478071451 in words is "four hundred seventy-eight million, seventy-one thousand, four hundred fifty-one".