386890077 has 8 divisors (see below), whose sum is σ = 589546816. Its totient is φ = 221080032.

The previous prime is 386890067. The next prime is 386890087. The reversal of 386890077 is 770098683.

It is an interprime number because it is at equal distance from previous prime (386890067) and next prime (386890087).

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

It is not a de Polignac number, because 386890077 - 2¹² = 386885981 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 (386890037) 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, 9211648 + ... + 9211689.

It is an arithmetic number, because the mean of its divisors is an integer number (73693352).

Almost surely, 2^386890077 is an apocalyptic number.

It is an amenable number.

386890077 is a deficient number, since it is larger than the sum of its proper divisors (202656739).

386890077 is a wasteful number, since it uses less digits than its factorization.

386890077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18423347.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 386890077 is about 19669.5215244296. The cubic root of 386890077 is about 728.6671601400.

The spelling of 386890077 in words is "three hundred eighty-six million, eight hundred ninety thousand, seventy-seven".