152779890 has 32 divisors (see below), whose sum is σ = 367177536. Its totient is φ = 40685120.

The previous prime is 152779877. The next prime is 152779937. The reversal of 152779890 is 98977251.

152779890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21529 + ... + 27731.

It is an arithmetic number, because the mean of its divisors is an integer number (11474298).

Almost surely, 2^152779890 is an apocalyptic number.

152779890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152779890 is an abundant number, since it is smaller than the sum of its proper divisors (214397646).

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

152779890 is a wasteful number, since it uses less digits than its factorization.

152779890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7034.

The product of its (nonzero) digits is 317520, while the sum is 48.

The square root of 152779890 is about 12360.4162551267. The cubic root of 152779890 is about 534.5915186335.

The spelling of 152779890 in words is "one hundred fifty-two million, seven hundred seventy-nine thousand, eight hundred ninety".