36777487 has 2 divisors, whose sum is σ = 36777488. Its totient is φ = 36777486.

The previous prime is 36777469. The next prime is 36777497. The reversal of 36777487 is 78477763.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36777487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36777487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36777467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18388743 + 18388744.

It is an arithmetic number, because the mean of its divisors is an integer number (18388744).

Almost surely, 2^36777487 is an apocalyptic number.

36777487 is a deficient number, since it is larger than the sum of its proper divisors (1).

36777487 is an equidigital number, since it uses as much as digits as its factorization.

36777487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1382976, while the sum is 49.

The square root of 36777487 is about 6064.4444922845. Note that the first 4 decimals coincide. The cubic root of 36777487 is about 332.5528572196.

The spelling of 36777487 in words is "thirty-six million, seven hundred seventy-seven thousand, four hundred eighty-seven".