82461478 has 16 divisors (see below), whose sum is σ = 135090000. Its totient is φ = 37440000.

The previous prime is 82461473. The next prime is 82461479. The reversal of 82461478 is 87416428.

It is a self number, because there is not a number n which added to its sum of digits gives 82461478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82461473) 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, 25978 + ... + 28978.

It is an arithmetic number, because the mean of its divisors is an integer number (8443125).

Almost surely, 2^82461478 is an apocalyptic number.

82461478 is a deficient number, since it is larger than the sum of its proper divisors (52628522).

82461478 is a wasteful number, since it uses less digits than its factorization.

82461478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4263.

The product of its digits is 86016, while the sum is 40.

The square root of 82461478 is about 9080.8302483859. The cubic root of 82461478 is about 435.2616174098.

The spelling of 82461478 in words is "eighty-two million, four hundred sixty-one thousand, four hundred seventy-eight".