45977766237820 has 48 divisors (see below), whose sum is σ = 97303962305088. Its totient is φ = 18248675927040.

The previous prime is 45977766237797. The next prime is 45977766237829. The reversal of 45977766237820 is 2873266777954.

It is a super-2 number, since 2×45977766237820² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45977766237829) 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, 15883192 + ... + 18553471.

It is an arithmetic number, because the mean of its divisors is an integer number (2027165881356).

Almost surely, 2^{45977766237820} is an apocalyptic number.

It is an amenable number.

45977766237820 is an abundant number, since it is smaller than the sum of its proper divisors (51326196067268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45977766237820 is a wasteful number, since it uses less digits than its factorization.

45977766237820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34437190 (or 34437188 counting only the distinct ones).

The product of its (nonzero) digits is 1493614080, while the sum is 73.

The spelling of 45977766237820 in words is "forty-five trillion, nine hundred seventy-seven billion, seven hundred sixty-six million, two hundred thirty-seven thousand, eight hundred twenty".