478372077 has 24 divisors (see below), whose sum is σ = 704104128. Its totient is φ = 312912000.

The previous prime is 478372073. The next prime is 478372093. The reversal of 478372077 is 770273874.

It is not a de Polignac number, because 478372077 - 2² = 478372073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478372073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110677 + ... + 114917.

It is an arithmetic number, because the mean of its divisors is an integer number (29337672).

Almost surely, 2^478372077 is an apocalyptic number.

It is an amenable number.

478372077 is a deficient number, since it is larger than the sum of its proper divisors (225732051).

478372077 is a wasteful number, since it uses less digits than its factorization.

478372077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481 (or 4478 counting only the distinct ones).

The product of its (nonzero) digits is 460992, while the sum is 45.

The square root of 478372077 is about 21871.7186567494. The cubic root of 478372077 is about 782.0873724717.

The spelling of 478372077 in words is "four hundred seventy-eight million, three hundred seventy-two thousand, seventy-seven".