82029619 has 4 divisors (see below), whose sum is σ = 93748144. Its totient is φ = 70311096.

The previous prime is 82029613. The next prime is 82029653. The reversal of 82029619 is 91692028.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82029619 - 2³ = 82029611 is a prime.

It is a super-2 number, since 2×82029619² = 13457716786570322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82029611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5859252 + ... + 5859265.

It is an arithmetic number, because the mean of its divisors is an integer number (23437036).

Almost surely, 2^82029619 is an apocalyptic number.

82029619 is a deficient number, since it is larger than the sum of its proper divisors (11718525).

82029619 is a wasteful number, since it uses less digits than its factorization.

82029619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11718524.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 82029619 is about 9057.0204261667. The cubic root of 82029619 is about 434.5004508968.

The spelling of 82029619 in words is "eighty-two million, twenty-nine thousand, six hundred nineteen".