76987609049487 has 8 divisors (see below), whose sum is σ = 102800438440704. Its totient is φ = 51249926178968.

The previous prime is 76987609049431. The next prime is 76987609049489. The reversal of 76987609049487 is 78494090678967.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 76987609049487 - 2¹¹ = 76987609047439 is a prime.

It is a super-2 number, since 2×76987609049487² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76987609049489) 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, 18786627783 + ... + 18786631880.

It is an arithmetic number, because the mean of its divisors is an integer number (12850054805088).

Almost surely, 2^{76987609049487} is an apocalyptic number.

76987609049487 is a deficient number, since it is larger than the sum of its proper divisors (25812829391217).

76987609049487 is a wasteful number, since it uses less digits than its factorization.

76987609049487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37573260349.

The product of its (nonzero) digits is 9217732608, while the sum is 84.

The spelling of 76987609049487 in words is "seventy-six trillion, nine hundred eighty-seven billion, six hundred nine million, forty-nine thousand, four hundred eighty-seven".