77730286385062 has 4 divisors (see below), whose sum is σ = 116595429577596. Its totient is φ = 38865143192530.

The previous prime is 77730286385053. The next prime is 77730286385071. The reversal of 77730286385062 is 26058368203777.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (77730286385053) and next prime (77730286385071).

It is a junction number, because it is equal to n+sod(n) for n = 77730286384985 and 77730286385003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19432571596264 + ... + 19432571596267.

It is an arithmetic number, because the mean of its divisors is an integer number (29148857394399).

Almost surely, 2^{77730286385062} is an apocalyptic number.

77730286385062 is a deficient number, since it is larger than the sum of its proper divisors (38865143192534).

77730286385062 is a wasteful number, since it uses less digits than its factorization.

77730286385062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38865143192533.

The product of its (nonzero) digits is 142248960, while the sum is 64.

The spelling of 77730286385062 in words is "seventy-seven trillion, seven hundred thirty billion, two hundred eighty-six million, three hundred eighty-five thousand, sixty-two".