82378375 has 16 divisors (see below), whose sum is σ = 103521600. Its totient is φ = 65445600.

The previous prime is 82378369. The next prime is 82378381. The reversal of 82378375 is 57387328.

It is an interprime number because it is at equal distance from previous prime (82378369) and next prime (82378381).

It is not a de Polignac number, because 82378375 - 2³ = 82378367 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16414 + ... + 20836.

It is an arithmetic number, because the mean of its divisors is an integer number (6470100).

Almost surely, 2^82378375 is an apocalyptic number.

82378375 is a deficient number, since it is larger than the sum of its proper divisors (21143225).

82378375 is a wasteful number, since it uses less digits than its factorization.

82378375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587 (or 4577 counting only the distinct ones).

The product of its digits is 282240, while the sum is 43.

The square root of 82378375 is about 9076.2533569750. The cubic root of 82378375 is about 435.1153523300.

The spelling of 82378375 in words is "eighty-two million, three hundred seventy-eight thousand, three hundred seventy-five".