78413441477 has 8 divisors (see below), whose sum is σ = 94886853696. Its totient is φ = 63257902272.

The previous prime is 78413441467. The next prime is 78413441521. The reversal of 78413441477 is 77414431487.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78413441477 - 2¹⁴ = 78413425093 is a prime.

It is a super-2 number, since 2×78413441477² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78413441467) 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, 329468123 + ... + 329468360.

It is an arithmetic number, because the mean of its divisors is an integer number (11860856712).

Almost surely, 2^78413441477 is an apocalyptic number.

It is an amenable number.

78413441477 is a deficient number, since it is larger than the sum of its proper divisors (16473412219).

78413441477 is a wasteful number, since it uses less digits than its factorization.

78413441477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658936507.

The product of its digits is 2107392, while the sum is 50.

The spelling of 78413441477 in words is "seventy-eight billion, four hundred thirteen million, four hundred forty-one thousand, four hundred seventy-seven".