80612901 has 20 divisors (see below), whose sum is σ = 120691692. Its totient is φ = 53621568.

The previous prime is 80612891. The next prime is 80612923. The reversal of 80612901 is 10921608.

It can be written as a sum of positive squares in 2 ways, for example, as 21399876 + 59213025 = 4626^2 + 7695^2 .

It is not a de Polignac number, because 80612901 - 2¹⁵ = 80580133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80612941) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 49171 + ... + 50783.

Almost surely, 2^80612901 is an apocalyptic number.

80612901 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

80612901 is a deficient number, since it is larger than the sum of its proper divisors (40078791).

80612901 is a wasteful number, since it uses less digits than its factorization.

80612901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242 (or 2233 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 80612901 is about 8978.4687447248. The cubic root of 80612901 is about 431.9845191212.

The spelling of 80612901 in words is "eighty million, six hundred twelve thousand, nine hundred one".