87791801451 has 8 divisors (see below), whose sum is σ = 123216563520. Its totient is φ = 55447453512.

The previous prime is 87791801431. The next prime is 87791801501. The reversal of 87791801451 is 15410819778.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87791801451 - 2⁷ = 87791801323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87791801394 and 87791801403.

It is not an unprimeable number, because it can be changed into a prime (87791801431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770103465 + ... + 770103578.

It is an arithmetic number, because the mean of its divisors is an integer number (15402070440).

Almost surely, 2^87791801451 is an apocalyptic number.

87791801451 is a deficient number, since it is larger than the sum of its proper divisors (35424762069).

87791801451 is a wasteful number, since it uses less digits than its factorization.

87791801451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540207065.

The product of its (nonzero) digits is 564480, while the sum is 51.

The spelling of 87791801451 in words is "eighty-seven billion, seven hundred ninety-one million, eight hundred one thousand, four hundred fifty-one".