83611412 has 18 divisors (see below), whose sum is σ = 147716478. Its totient is φ = 41410432.

The previous prime is 83611403. The next prime is 83611421. The reversal of 83611412 is 21411638.

It is an interprime number because it is at equal distance from previous prime (83611403) and next prime (83611421).

It can be written as a sum of positive squares in 3 ways, for example, as 23951236 + 59660176 = 4894^2 + 7724^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50258 + ... + 51894.

It is an arithmetic number, because the mean of its divisors is an integer number (8206471).

Almost surely, 2^83611412 is an apocalyptic number.

It is an amenable number.

83611412 is a deficient number, since it is larger than the sum of its proper divisors (64105066).

83611412 is a wasteful number, since it uses less digits than its factorization.

83611412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867 (or 1752 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 83611412 is about 9143.9276025130. The cubic root of 83611412 is about 437.2755411334.

The spelling of 83611412 in words is "eighty-three million, six hundred eleven thousand, four hundred twelve".