42977410590157 has 2 divisors, whose sum is σ = 42977410590158. Its totient is φ = 42977410590156.

The previous prime is 42977410590133. The next prime is 42977410590199. The reversal of 42977410590157 is 75109501477924.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28471892840836 + 14505517749321 = 5335906^2 + 3808611^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42977410590157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42977410590095 and 42977410590104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42977410593157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21488705295078 + 21488705295079.

It is an arithmetic number, because the mean of its divisors is an integer number (21488705295079).

Almost surely, 2^{42977410590157} is an apocalyptic number.

It is an amenable number.

42977410590157 is a deficient number, since it is larger than the sum of its proper divisors (1).

42977410590157 is an equidigital number, since it uses as much as digits as its factorization.

42977410590157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22226400, while the sum is 61.

The spelling of 42977410590157 in words is "forty-two trillion, nine hundred seventy-seven billion, four hundred ten million, five hundred ninety thousand, one hundred fifty-seven".