87719463 has 32 divisors (see below), whose sum is σ = 141684480. Its totient is φ = 53313120.

The previous prime is 87719431. The next prime is 87719509. The reversal of 87719463 is 36491778.

It is not a de Polignac number, because 87719463 - 2⁵ = 87719431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87799463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27628 + ... + 30638.

It is an arithmetic number, because the mean of its divisors is an integer number (4427640).

Almost surely, 2^87719463 is an apocalyptic number.

87719463 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

87719463 is a deficient number, since it is larger than the sum of its proper divisors (53965017).

87719463 is a wasteful number, since it uses less digits than its factorization.

87719463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3116 (or 3110 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 87719463 is about 9365.8669112902. The cubic root of 87719463 is about 444.3228568489.

The spelling of 87719463 in words is "eighty-seven million, seven hundred nineteen thousand, four hundred sixty-three".