76908425643 has 48 divisors (see below), whose sum is σ = 134713535520. Its totient is φ = 43227172800.

The previous prime is 76908425641. The next prime is 76908425651. The reversal of 76908425643 is 34652480967.

76908425643 is a `hidden beast` number, since 76 + 9 + 0 + 8 + 4 + 2 + 564 + 3 = 666.

It is not a de Polignac number, because 76908425643 - 2¹ = 76908425641 is a prime.

It is a super-4 number, since 4×76908425643⁴ (a number of 45 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76908425643.

It is not an unprimeable number, because it can be changed into a prime (76908425641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 395788 + ... + 557193.

It is an arithmetic number, because the mean of its divisors is an integer number (2806531990).

Almost surely, 2^76908425643 is an apocalyptic number.

76908425643 is a deficient number, since it is larger than the sum of its proper divisors (57805109877).

76908425643 is a wasteful number, since it uses less digits than its factorization.

76908425643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953065 (or 953052 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 76908425643 in words is "seventy-six billion, nine hundred eight million, four hundred twenty-five thousand, six hundred forty-three".