863966807477 has 8 divisors (see below), whose sum is σ = 870506380800. Its totient is φ = 857431862784.

The previous prime is 863966807467. The next prime is 863966807489. The reversal of 863966807477 is 774708669368.

863966807477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 863966807477 - 2⁴ = 863966807461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 863966807477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863966807467) 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, 781973 + ... + 1529514.

It is an arithmetic number, because the mean of its divisors is an integer number (108813297600).

Almost surely, 2^863966807477 is an apocalyptic number.

It is an amenable number.

863966807477 is a deficient number, since it is larger than the sum of its proper divisors (6539573323).

863966807477 is a wasteful number, since it uses less digits than its factorization.

863966807477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314315.

The product of its (nonzero) digits is 512096256, while the sum is 71.

The spelling of 863966807477 in words is "eight hundred sixty-three billion, nine hundred sixty-six million, eight hundred seven thousand, four hundred seventy-seven".