83977130 has 16 divisors (see below), whose sum is σ = 153416160. Its totient is φ = 33089232.

The previous prime is 83977121. The next prime is 83977133. The reversal of 83977130 is 3177938.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (83977133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62000 + ... + 63339.

It is an arithmetic number, because the mean of its divisors is an integer number (9588510).

Almost surely, 2^83977130 is an apocalyptic number.

83977130 is a deficient number, since it is larger than the sum of its proper divisors (69439030).

83977130 is a wasteful number, since it uses less digits than its factorization.

83977130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125413.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 83977130 is about 9163.9036441901. The cubic root of 83977130 is about 437.9121645070.

The spelling of 83977130 in words is "eighty-three million, nine hundred seventy-seven thousand, one hundred thirty".