382078877 has 8 divisors (see below), whose sum is σ = 394866360. Its totient is φ = 369456640.

The previous prime is 382078849. The next prime is 382078913. The reversal of 382078877 is 778870283.

It can be written as a sum of positive squares in 4 ways, for example, as 7695076 + 374383801 = 2774^2 + 19349^2 .

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 382078877 - 2²⁸ = 113643421 is a prime.

It is a super-2 number, since 2×382078877² = 291968536499162258, which 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 (382078777) 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, 36602 + ... + 45867.

It is an arithmetic number, because the mean of its divisors is an integer number (49358295).

Almost surely, 2^382078877 is an apocalyptic number.

It is an amenable number.

382078877 is a deficient number, since it is larger than the sum of its proper divisors (12787483).

382078877 is a wasteful number, since it uses less digits than its factorization.

382078877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82623.

The product of its (nonzero) digits is 1053696, while the sum is 50.

The square root of 382078877 is about 19546.8380307404. The cubic root of 382078877 is about 725.6340878310.

The spelling of 382078877 in words is "three hundred eighty-two million, seventy-eight thousand, eight hundred seventy-seven".