45977789 has 16 divisors (see below), whose sum is σ = 55883520. Its totient is φ = 37248960.

The previous prime is 45977783. The next prime is 45977803. The reversal of 45977789 is 98777954.

It is a cyclic number.

It is not a de Polignac number, because 45977789 - 2¹⁶ = 45912253 is a prime.

It is a super-2 number, since 2×45977789² = 4227914162657042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45977783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1397 + ... + 9690.

It is an arithmetic number, because the mean of its divisors is an integer number (3492720).

Almost surely, 2^45977789 is an apocalyptic number.

It is an amenable number.

45977789 is a deficient number, since it is larger than the sum of its proper divisors (9905731).

45977789 is a wasteful number, since it uses less digits than its factorization.

45977789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11140.

The product of its digits is 4445280, while the sum is 56.

The square root of 45977789 is about 6780.6923687777. The cubic root of 45977789 is about 358.2471089215.

The spelling of 45977789 in words is "forty-five million, nine hundred seventy-seven thousand, seven hundred eighty-nine".