83977386 has 8 divisors (see below), whose sum is σ = 167954784. Its totient is φ = 27992460.

The previous prime is 83977381. The next prime is 83977429. The reversal of 83977386 is 68377938.

It is a sphenic number, since it is the product of 3 distinct primes.

83977386 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (83977381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6998110 + ... + 6998121.

It is an arithmetic number, because the mean of its divisors is an integer number (20994348).

Almost surely, 2^83977386 is an apocalyptic number.

83977386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83977386 is a wasteful number, since it uses less digits than its factorization.

83977386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13996236.

The product of its digits is 1524096, while the sum is 51.

The square root of 83977386 is about 9163.9176120260. The cubic root of 83977386 is about 437.9126094909.

The spelling of 83977386 in words is "eighty-three million, nine hundred seventy-seven thousand, three hundred eighty-six".