77093380 has 48 divisors (see below), whose sum is σ = 199261440. Its totient is φ = 24398208.

The previous prime is 77093347. The next prime is 77093381. The reversal of 77093380 is 8339077.

It is not an unprimeable number, because it can be changed into a prime (77093381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19360 + ... + 22999.

It is an arithmetic number, because the mean of its divisors is an integer number (4151280).

Almost surely, 2^77093380 is an apocalyptic number.

77093380 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

77093380 is an abundant number, since it is smaller than the sum of its proper divisors (122168060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77093380 is a wasteful number, since it uses less digits than its factorization.

77093380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42388 (or 42386 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 77093380 is about 8780.2835945088. The cubic root of 77093380 is about 425.6039947356.

The spelling of 77093380 in words is "seventy-seven million, ninety-three thousand, three hundred eighty".