83980802 has 4 divisors (see below), whose sum is σ = 125971206. Its totient is φ = 41990400.

The previous prime is 83980801. The next prime is 83980837. The reversal of 83980802 is 20808938.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42003361 + 41977441 = 6481^2 + 6479^2 .

It is not an unprimeable number, because it can be changed into a prime (83980801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20995199 + ... + 20995202.

Almost surely, 2^83980802 is an apocalyptic number.

83980802 is a deficient number, since it is larger than the sum of its proper divisors (41990404).

83980802 is a wasteful number, since it uses less digits than its factorization.

83980802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41990403.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 83980802 is about 9164.1039932991. The cubic root of 83980802 is about 437.9185471576.

The spelling of 83980802 in words is "eighty-three million, nine hundred eighty thousand, eight hundred two".