82816402 has 32 divisors (see below), whose sum is σ = 136281600. Its totient is φ = 37594368.

The previous prime is 82816387. The next prime is 82816417. The reversal of 82816402 is 20461828.

It is an interprime number because it is at equal distance from previous prime (82816387) and next prime (82816417).

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, 245578 + ... + 245914.

It is an arithmetic number, because the mean of its divisors is an integer number (4258800).

Almost surely, 2^82816402 is an apocalyptic number.

82816402 is a deficient number, since it is larger than the sum of its proper divisors (53465198).

82816402 is a wasteful number, since it uses less digits than its factorization.

82816402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 82816402 is about 9100.3517514435. The cubic root of 82816402 is about 435.8851961854.

The spelling of 82816402 in words is "eighty-two million, eight hundred sixteen thousand, four hundred two".