84761045 has 16 divisors (see below), whose sum is σ = 104062320. Its totient is φ = 66253824.

The previous prime is 84761029. The next prime is 84761051. The reversal of 84761045 is 54016748.

It can be written as a sum of positive squares in 8 ways, for example, as 8844676 + 75916369 = 2974^2 + 8713^2 .

It is a cyclic number.

It is not a de Polignac number, because 84761045 - 2⁴ = 84761029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84760996 and 84761014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83501 + ... + 84509.

It is an arithmetic number, because the mean of its divisors is an integer number (6503895).

Almost surely, 2^84761045 is an apocalyptic number.

It is an amenable number.

84761045 is a deficient number, since it is larger than the sum of its proper divisors (19301275).

84761045 is a wasteful number, since it uses less digits than its factorization.

84761045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 84761045 is about 9206.5761822732. The cubic root of 84761045 is about 439.2705630938.

The spelling of 84761045 in words is "eighty-four million, seven hundred sixty-one thousand, forty-five".