77008010377 has 4 divisors (see below), whose sum is σ = 79492139776. Its totient is φ = 74523880980.

The previous prime is 77008010347. The next prime is 77008010381. The reversal of 77008010377 is 77301080077.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77008010377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77008010347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1242064653 + ... + 1242064714.

It is an arithmetic number, because the mean of its divisors is an integer number (19873034944).

Almost surely, 2^77008010377 is an apocalyptic number.

It is an amenable number.

77008010377 is a deficient number, since it is larger than the sum of its proper divisors (2484129399).

77008010377 is a wasteful number, since it uses less digits than its factorization.

77008010377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484129398.

The product of its (nonzero) digits is 57624, while the sum is 40.

The spelling of 77008010377 in words is "seventy-seven billion, eight million, ten thousand, three hundred seventy-seven".