478697869837 has 16 divisors (see below), whose sum is σ = 524740608000. Its totient is φ = 433077289200.

The previous prime is 478697869831. The next prime is 478697869861. The reversal of 478697869837 is 738968796874.

It is a cyclic number.

It is not a de Polignac number, because 478697869837 - 2⁷ = 478697869709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478697869831) 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, 7324012 + ... + 7389082.

It is an arithmetic number, because the mean of its divisors is an integer number (32796288000).

Almost surely, 2^478697869837 is an apocalyptic number.

It is an amenable number.

478697869837 is a deficient number, since it is larger than the sum of its proper divisors (46042738163).

478697869837 is a wasteful number, since it uses less digits than its factorization.

478697869837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68304.

The product of its digits is 6145155072, while the sum is 82.

The spelling of 478697869837 in words is "four hundred seventy-eight billion, six hundred ninety-seven million, eight hundred sixty-nine thousand, eight hundred thirty-seven".