77020150 has 12 divisors (see below), whose sum is σ = 143257572. Its totient is φ = 30808040.

The previous prime is 77020147. The next prime is 77020157. The reversal of 77020150 is 5102077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77020157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 770152 + ... + 770251.

It is an arithmetic number, because the mean of its divisors is an integer number (11938131).

Almost surely, 2^77020150 is an apocalyptic number.

77020150 is a deficient number, since it is larger than the sum of its proper divisors (66237422).

77020150 is a wasteful number, since it uses less digits than its factorization.

77020150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540415 (or 1540410 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 22.

The square root of 77020150 is about 8776.1124650952. The cubic root of 77020150 is about 425.4691934764.

The spelling of 77020150 in words is "seventy-seven million, twenty thousand, one hundred fifty".