77041388 has 6 divisors (see below), whose sum is σ = 134822436. Its totient is φ = 38520692.

The previous prime is 77041387. The next prime is 77041439. The reversal of 77041388 is 88314077.

It is not an unprimeable number, because it can be changed into a prime (77041387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9630170 + ... + 9630177.

It is an arithmetic number, because the mean of its divisors is an integer number (22470406).

Almost surely, 2^77041388 is an apocalyptic number.

It is an amenable number.

77041388 is a deficient number, since it is larger than the sum of its proper divisors (57781048).

77041388 is a wasteful number, since it uses less digits than its factorization.

77041388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19260351 (or 19260349 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 77041388 is about 8777.3223707461. The cubic root of 77041388 is about 425.5082970283.

The spelling of 77041388 in words is "seventy-seven million, forty-one thousand, three hundred eighty-eight".