76543951008061 has 16 divisors (see below), whose sum is σ = 77449566458880. Its totient is φ = 75639361944960.

The previous prime is 76543951007989. The next prime is 76543951008079. The reversal of 76543951008061 is 16080015934567.

It is a cyclic number.

It is not a de Polignac number, because 76543951008061 - 2²¹ = 76543948910909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76543951007993 and 76543951008011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76543951308061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1080285111 + ... + 1080355963.

It is an arithmetic number, because the mean of its divisors is an integer number (4840597903680).

Almost surely, 2^{76543951008061} is an apocalyptic number.

It is an amenable number.

76543951008061 is a deficient number, since it is larger than the sum of its proper divisors (905615450819).

76543951008061 is a wasteful number, since it uses less digits than its factorization.

76543951008061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77916.

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 76543951008061 in words is "seventy-six trillion, five hundred forty-three billion, nine hundred fifty-one million, eight thousand, sixty-one".