77331701 has 4 divisors (see below), whose sum is σ = 79826304. Its totient is φ = 74837100.

The previous prime is 77331689. The next prime is 77331703. The reversal of 77331701 is 10713377.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10713377 = 23 ⋅465799.

It is not a de Polignac number, because 77331701 - 2⁶ = 77331637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77331703) 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, 1247255 + ... + 1247316.

It is an arithmetic number, because the mean of its divisors is an integer number (19956576).

Almost surely, 2^77331701 is an apocalyptic number.

It is an amenable number.

77331701 is a deficient number, since it is larger than the sum of its proper divisors (2494603).

77331701 is a wasteful number, since it uses less digits than its factorization.

77331701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494602.

The product of its (nonzero) digits is 3087, while the sum is 29.

The square root of 77331701 is about 8793.8444948725. The cubic root of 77331701 is about 426.0421042531.

The spelling of 77331701 in words is "seventy-seven million, three hundred thirty-one thousand, seven hundred one".