84930777 has 12 divisors (see below), whose sum is σ = 122758740. Its totient is φ = 56583168.

The previous prime is 84930761. The next prime is 84930787. The reversal of 84930777 is 77703948.

It can be written as a sum of positive squares in 2 ways, for example, as 14017536 + 70913241 = 3744^2 + 8421^2 .

It is not a de Polignac number, because 84930777 - 2⁴ = 84930761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84930737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21673 + ... + 25289.

It is an arithmetic number, because the mean of its divisors is an integer number (10229895).

Almost surely, 2^84930777 is an apocalyptic number.

It is an amenable number.

84930777 is a deficient number, since it is larger than the sum of its proper divisors (37827963).

84930777 is a wasteful number, since it uses less digits than its factorization.

84930777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6232 (or 6229 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 84930777 is about 9215.7895483784. The cubic root of 84930777 is about 439.5635772548.

It can be divided in two parts, 849 and 30777, that added together give a triangular number (31626 = T₂₅₁).

The spelling of 84930777 in words is "eighty-four million, nine hundred thirty thousand, seven hundred seventy-seven".