77076140002477 has 64 divisors (see below), whose sum is σ = 102972753321984. Its totient is φ = 55848306954240.

The previous prime is 77076140002423. The next prime is 77076140002487. The reversal of 77076140002477 is 77420004167077.

It is a de Polignac number, because none of the positive numbers 2^k-77076140002477 is a prime.

It is a super-2 number, since 2×77076140002477² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77076140002487) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57719968 + ... + 59040214.

It is an arithmetic number, because the mean of its divisors is an integer number (1608949270656).

Almost surely, 2^{77076140002477} is an apocalyptic number.

77076140002477 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

77076140002477 is a deficient number, since it is larger than the sum of its proper divisors (25896613319507).

77076140002477 is a wasteful number, since it uses less digits than its factorization.

77076140002477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320818.

The product of its (nonzero) digits is 3226944, while the sum is 52.

The spelling of 77076140002477 in words is "seventy-seven trillion, seventy-six billion, one hundred forty million, two thousand, four hundred seventy-seven".