76761563 has 8 divisors (see below), whose sum is σ = 77500416. Its totient is φ = 76026600.

The previous prime is 76761541. The next prime is 76761583. The reversal of 76761563 is 36516767.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76761563 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76761563.

It is not an unprimeable number, because it can be changed into a prime (76761583) 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, 51020 + ... + 52502.

It is an arithmetic number, because the mean of its divisors is an integer number (9687552).

Almost surely, 2^76761563 is an apocalyptic number.

76761563 is a deficient number, since it is larger than the sum of its proper divisors (738853).

76761563 is a wasteful number, since it uses less digits than its factorization.

76761563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945.

The product of its digits is 158760, while the sum is 41.

The square root of 76761563 is about 8761.3676443806. The cubic root of 76761563 is about 424.9925036740.

The spelling of 76761563 in words is "seventy-six million, seven hundred sixty-one thousand, five hundred sixty-three".