32377972545 has 12 divisors (see below), whose sum is σ = 56121819156. Its totient is φ = 17268252000.

The previous prime is 32377972531. The next prime is 32377972559. The reversal of 32377972545 is 54527977323.

It is a happy number.

32377972545 is a `hidden beast` number, since 3 + 2 + 3 + 7 + 7 + 97 + 2 + 545 = 666.

It is an interprime number because it is at equal distance from previous prime (32377972531) and next prime (32377972559).

It can be written as a sum of positive squares in 2 ways, for example, as 15623000064 + 16754972481 = 124992^2 + 129441^2 .

It is not a de Polignac number, because 32377972545 - 2⁵ = 32377972513 is a prime.

It is a super-2 number, since 2×32377972545² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 32377972491 and 32377972500.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 359755206 + ... + 359755295.

It is an arithmetic number, because the mean of its divisors is an integer number (4676818263).

Almost surely, 2^32377972545 is an apocalyptic number.

It is an amenable number.

32377972545 is a deficient number, since it is larger than the sum of its proper divisors (23743846611).

32377972545 is a wasteful number, since it uses less digits than its factorization.

32377972545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719510512 (or 719510509 counting only the distinct ones).

The product of its digits is 11113200, while the sum is 54.

The spelling of 32377972545 in words is "thirty-two billion, three hundred seventy-seven million, nine hundred seventy-two thousand, five hundred forty-five".