76948683487 has 4 divisors (see below), whose sum is σ = 82867813000. Its totient is φ = 71029553976.

The previous prime is 76948683479. The next prime is 76948683557. The reversal of 76948683487 is 78438684967.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78438684967 = 109 ⋅719620963.

It is a cyclic number.

It is not a de Polignac number, because 76948683487 - 2³ = 76948683479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76948683187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2959564737 + ... + 2959564762.

It is an arithmetic number, because the mean of its divisors is an integer number (20716953250).

Almost surely, 2^76948683487 is an apocalyptic number.

76948683487 is a deficient number, since it is larger than the sum of its proper divisors (5919129513).

76948683487 is a wasteful number, since it uses less digits than its factorization.

76948683487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5919129512.

The product of its digits is 390168576, while the sum is 70.

The spelling of 76948683487 in words is "seventy-six billion, nine hundred forty-eight million, six hundred eighty-three thousand, four hundred eighty-seven".