77800083 has 8 divisors (see below), whose sum is σ = 106263696. Its totient is φ = 50601600.

The previous prime is 77800081. The next prime is 77800097. The reversal of 77800083 is 38000877.

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

It is not a de Polignac number, because 77800083 - 2¹ = 77800081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77800081) 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, 316138 + ... + 316383.

It is an arithmetic number, because the mean of its divisors is an integer number (13282962).

Almost surely, 2^77800083 is an apocalyptic number.

77800083 is a deficient number, since it is larger than the sum of its proper divisors (28463613).

77800083 is a wasteful number, since it uses less digits than its factorization.

77800083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632565.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 77800083 is about 8820.4355334643. The cubic root of 77800083 is about 426.9005229093.

The spelling of 77800083 in words is "seventy-seven million, eight hundred thousand, eighty-three".