77923402 has 8 divisors (see below), whose sum is σ = 121967136. Its totient is φ = 37267692.

The previous prime is 77923381. The next prime is 77923403. The reversal of 77923402 is 20432977.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×77923402³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (77923403) 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, 846948 + ... + 847039.

It is an arithmetic number, because the mean of its divisors is an integer number (15245892).

Almost surely, 2^77923402 is an apocalyptic number.

77923402 is a deficient number, since it is larger than the sum of its proper divisors (44043734).

77923402 is a wasteful number, since it uses less digits than its factorization.

77923402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694012.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 77923402 is about 8827.4232933512. The cubic root of 77923402 is about 427.1259603494.

The spelling of 77923402 in words is "seventy-seven million, nine hundred twenty-three thousand, four hundred two".