82899147 has 8 divisors (see below), whose sum is σ = 116349760. Its totient is φ = 52357320.

The previous prime is 82899143. The next prime is 82899163. The reversal of 82899147 is 74199828.

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

It is not a de Polignac number, because 82899147 - 2² = 82899143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82899096 and 82899105.

It is not an unprimeable number, because it can be changed into a prime (82899143) 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, 727129 + ... + 727242.

It is an arithmetic number, because the mean of its divisors is an integer number (14543720).

Almost surely, 2^82899147 is an apocalyptic number.

82899147 is a deficient number, since it is larger than the sum of its proper divisors (33450613).

82899147 is a wasteful number, since it uses less digits than its factorization.

82899147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454393.

The product of its digits is 290304, while the sum is 48.

The square root of 82899147 is about 9104.8968692677. The cubic root of 82899147 is about 436.0303176600.

The spelling of 82899147 in words is "eighty-two million, eight hundred ninety-nine thousand, one hundred forty-seven".