77776041 has 32 divisors (see below), whose sum is σ = 124323840. Its totient is φ = 42286464.

The previous prime is 77776031. The next prime is 77776043. The reversal of 77776041 is 14067777.

It is not a de Polignac number, because 77776041 - 2²³ = 69387433 is a prime.

It is a super-2 number, since 2×77776041² = 12098225107267362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77776043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136405 + ... + 136973.

It is an arithmetic number, because the mean of its divisors is an integer number (3885120).

Almost surely, 2^77776041 is an apocalyptic number.

It is an amenable number.

77776041 is a deficient number, since it is larger than the sum of its proper divisors (46547799).

77776041 is a wasteful number, since it uses less digits than its factorization.

77776041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885.

The product of its (nonzero) digits is 57624, while the sum is 39.

The square root of 77776041 is about 8819.0725702876. The cubic root of 77776041 is about 426.8565443797.

The spelling of 77776041 in words is "seventy-seven million, seven hundred seventy-six thousand, forty-one".