87077690419 has 2 divisors, whose sum is σ = 87077690420. Its totient is φ = 87077690418.

The previous prime is 87077690393. The next prime is 87077690459. The reversal of 87077690419 is 91409677078.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87077690419 - 2⁷ = 87077690291 is a prime.

It is a super-2 number, since 2×87077690419² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (87077690459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43538845209 + 43538845210.

It is an arithmetic number, because the mean of its divisors is an integer number (43538845210).

Almost surely, 2^87077690419 is an apocalyptic number.

87077690419 is a deficient number, since it is larger than the sum of its proper divisors (1).

87077690419 is an equidigital number, since it uses as much as digits as its factorization.

87077690419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5334336, while the sum is 58.

The spelling of 87077690419 in words is "eighty-seven billion, seventy-seven million, six hundred ninety thousand, four hundred nineteen".