83480777 has 8 divisors (see below), whose sum is σ = 88755264. Its totient is φ = 78343408.

The previous prime is 83480773. The next prime is 83480807. The reversal of 83480777 is 77708438.

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

It is a cyclic number.

It is not a de Polignac number, because 83480777 - 2² = 83480773 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83480773) 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, 33023 + ... + 35460.

It is an arithmetic number, because the mean of its divisors is an integer number (11094408).

Almost surely, 2^83480777 is an apocalyptic number.

It is an amenable number.

83480777 is a deficient number, since it is larger than the sum of its proper divisors (5274487).

83480777 is a wasteful number, since it uses less digits than its factorization.

83480777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68559.

The product of its (nonzero) digits is 263424, while the sum is 44.

The square root of 83480777 is about 9136.7815449424. The cubic root of 83480777 is about 437.0476884005.

The spelling of 83480777 in words is "eighty-three million, four hundred eighty thousand, seven hundred seventy-seven".