920677445 has 8 divisors (see below), whose sum is σ = 1105860600. Its totient is φ = 735843520.

The previous prime is 920677423. The next prime is 920677447. The reversal of 920677445 is 544776029.

It can be written as a sum of positive squares in 4 ways, for example, as 53904964 + 866772481 = 7342^2 + 29441^2 .

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

It is not a de Polignac number, because 920677445 - 2¹² = 920673349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 920677396 and 920677405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920677447) 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, 81470 + ... + 92079.

It is an arithmetic number, because the mean of its divisors is an integer number (138232575).

Almost surely, 2^920677445 is an apocalyptic number.

It is an amenable number.

920677445 is a deficient number, since it is larger than the sum of its proper divisors (185183155).

920677445 is a wasteful number, since it uses less digits than its factorization.

920677445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174615.

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 920677445 is about 30342.6670713041. The cubic root of 920677445 is about 972.8274906326.

The spelling of 920677445 in words is "nine hundred twenty million, six hundred seventy-seven thousand, four hundred forty-five".