393120077 has 8 divisors (see below), whose sum is σ = 449400000. Its totient is φ = 336870144.

The previous prime is 393120073. The next prime is 393120109. The reversal of 393120077 is 770021393.

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 393120077 - 2² = 393120073 is a prime.

It is a super-3 number, since 3×393120077³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393120073) 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, 48674 + ... + 56172.

It is an arithmetic number, because the mean of its divisors is an integer number (56175000).

Almost surely, 2^393120077 is an apocalyptic number.

It is an amenable number.

393120077 is a deficient number, since it is larger than the sum of its proper divisors (56279923).

393120077 is an equidigital number, since it uses as much as digits as its factorization.

393120077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14995.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 393120077 is about 19827.2559120015. The cubic root of 393120077 is about 732.5575376765.

The spelling of 393120077 in words is "three hundred ninety-three million, one hundred twenty thousand, seventy-seven".