82971130 has 16 divisors (see below), whose sum is σ = 162925344. Its totient is φ = 30171280.

The previous prime is 82971113. The next prime is 82971137. The reversal of 82971130 is 3117928.

It is a junction number, because it is equal to n+sod(n) for n = 82971092 and 82971101.

It is not an unprimeable number, because it can be changed into a prime (82971137) 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, 377032 + ... + 377251.

It is an arithmetic number, because the mean of its divisors is an integer number (10182834).

Almost surely, 2^82971130 is an apocalyptic number.

82971130 is a deficient number, since it is larger than the sum of its proper divisors (79954214).

82971130 is a wasteful number, since it uses less digits than its factorization.

82971130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754301.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 82971130 is about 9108.8489942473. The cubic root of 82971130 is about 436.1564857863.

The spelling of 82971130 in words is "eighty-two million, nine hundred seventy-one thousand, one hundred thirty".