390553390677 has 8 divisors (see below), whose sum is σ = 520818602080. Its totient is φ = 260328553200.

The previous prime is 390553390639. The next prime is 390553390687. The reversal of 390553390677 is 776093355093.

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

It is not a de Polignac number, because 390553390677 - 2¹¹ = 390553388629 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 (390553390687) 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, 10070902 + ... + 10109607.

It is an arithmetic number, because the mean of its divisors is an integer number (65102325260).

Almost surely, 2^390553390677 is an apocalyptic number.

It is an amenable number.

390553390677 is a deficient number, since it is larger than the sum of its proper divisors (130265211403).

390553390677 is a wasteful number, since it uses less digits than its factorization.

390553390677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20186963.

The product of its (nonzero) digits is 16074450, while the sum is 57.

The spelling of 390553390677 in words is "three hundred ninety billion, five hundred fifty-three million, three hundred ninety thousand, six hundred seventy-seven".