80052778 has 8 divisors (see below), whose sum is σ = 129316068. Its totient is φ = 36947424.

The previous prime is 80052697. The next prime is 80052803. The reversal of 80052778 is 87725008.

It can be written as a sum of positive squares in 2 ways, for example, as 80048809 + 3969 = 8947^2 + 63^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1539451 + ... + 1539502.

Almost surely, 2^80052778 is an apocalyptic number.

80052778 is a deficient number, since it is larger than the sum of its proper divisors (49263290).

80052778 is a wasteful number, since it uses less digits than its factorization.

80052778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078968.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 80052778 is about 8947.2218034427. The cubic root of 80052778 is about 430.9816728049.

The spelling of 80052778 in words is "eighty million, fifty-two thousand, seven hundred seventy-eight".