77141089 has 3 divisors (see below), whose sum is σ = 77149873. Its totient is φ = 77132306.

The previous prime is 77141059. The next prime is 77141101. The reversal of 77141089 is 98014177.

The square root of 77141089 is 8783.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 77141089 - 2⁷ = 77140961 is a prime.

It is a super-2 number, since 2×77141089² = 11901495224211842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77141039) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4392 + ... + 13174.

Almost surely, 2^77141089 is an apocalyptic number.

77141089 is the 8783-rd square number.

77141089 is the 4392-nd centered octagonal number.

It is an amenable number.

77141089 is a deficient number, since it is larger than the sum of its proper divisors (8784).

77141089 is an frugal number, since it uses more digits than its factorization.

77141089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17566 (or 8783 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 37.

The cubic root of 77141089 is about 425.6917712037.

The spelling of 77141089 in words is "seventy-seven million, one hundred forty-one thousand, eighty-nine".