76145887 has 2 divisors, whose sum is σ = 76145888. Its totient is φ = 76145886.

The previous prime is 76145869. The next prime is 76145899. The reversal of 76145887 is 78854167.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76145887 - 2¹¹ = 76143839 is a prime.

It is a super-2 number, since 2×76145887² = 11596392214033538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76145807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38072943 + 38072944.

It is an arithmetic number, because the mean of its divisors is an integer number (38072944).

Almost surely, 2^76145887 is an apocalyptic number.

76145887 is a deficient number, since it is larger than the sum of its proper divisors (1).

76145887 is an equidigital number, since it uses as much as digits as its factorization.

76145887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 376320, while the sum is 46.

The square root of 76145887 is about 8726.1610688779. The cubic root of 76145887 is about 423.8532165907.

The spelling of 76145887 in words is "seventy-six million, one hundred forty-five thousand, eight hundred eighty-seven".