77667295966412 has 24 divisors (see below), whose sum is σ = 136398482766000. Its totient is φ = 38696543342336.

The previous prime is 77667295966303. The next prime is 77667295966427. The reversal of 77667295966412 is 21466959276677.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29024537 + ... + 31587312.

It is an arithmetic number, because the mean of its divisors is an integer number (5683270115250).

Almost surely, 2^{77667295966412} is an apocalyptic number.

It is an amenable number.

77667295966412 is a deficient number, since it is larger than the sum of its proper divisors (58731186799588).

77667295966412 is a wasteful number, since it uses less digits than its factorization.

77667295966412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60612985 (or 60612983 counting only the distinct ones).

The product of its digits is 2880541440, while the sum is 77.

The spelling of 77667295966412 in words is "seventy-seven trillion, six hundred sixty-seven billion, two hundred ninety-five million, nine hundred sixty-six thousand, four hundred twelve".