83420716 has 24 divisors (see below), whose sum is σ = 154067760. Its totient is φ = 39412800.

The previous prime is 83420713. The next prime is 83420719. The reversal of 83420716 is 61702438.

It is an interprime number because it is at equal distance from previous prime (83420713) and next prime (83420719).

It is not an unprimeable number, because it can be changed into a prime (83420713) 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, 33846 + ... + 36226.

It is an arithmetic number, because the mean of its divisors is an integer number (6419490).

Almost surely, 2^83420716 is an apocalyptic number.

It is an amenable number.

83420716 is a deficient number, since it is larger than the sum of its proper divisors (70647044).

83420716 is a wasteful number, since it uses less digits than its factorization.

83420716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865 (or 2863 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 83420716 is about 9133.4941834984. The cubic root of 83420716 is about 436.9428506169.

The spelling of 83420716 in words is "eighty-three million, four hundred twenty thousand, seven hundred sixteen".