77990350 has 12 divisors (see below), whose sum is σ = 145062144. Its totient is φ = 31196120.

The previous prime is 77990333. The next prime is 77990351. The reversal of 77990350 is 5309977.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77990351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 779854 + ... + 779953.

It is an arithmetic number, because the mean of its divisors is an integer number (12088512).

Almost surely, 2^77990350 is an apocalyptic number.

77990350 is a deficient number, since it is larger than the sum of its proper divisors (67071794).

77990350 is a wasteful number, since it uses less digits than its factorization.

77990350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559819 (or 1559814 counting only the distinct ones).

The product of its (nonzero) digits is 59535, while the sum is 40.

The square root of 77990350 is about 8831.2145257603. The cubic root of 77990350 is about 427.2482472908.

The spelling of 77990350 in words is "seventy-seven million, nine hundred ninety thousand, three hundred fifty".