10009451787 has 8 divisors (see below), whose sum is σ = 13451022336. Its totient is φ = 6620424552.

The previous prime is 10009451717. The next prime is 10009451789. The reversal of 10009451787 is 78715490001.

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

It is not a de Polignac number, because 10009451787 - 2¹² = 10009447691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10009451789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13135383 + ... + 13136144.

It is an arithmetic number, because the mean of its divisors is an integer number (1681377792).

Almost surely, 2^10009451787 is an apocalyptic number.

10009451787 is a deficient number, since it is larger than the sum of its proper divisors (3441570549).

10009451787 is a wasteful number, since it uses less digits than its factorization.

10009451787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26271657.

The product of its (nonzero) digits is 70560, while the sum is 42.

The spelling of 10009451787 in words is "ten billion, nine million, four hundred fifty-one thousand, seven hundred eighty-seven".